Lexus ES300H (2023 year). Manual in english - page 7

 

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Lexus ES300H (2023 year). Manual in english - page 7

 

 

213

4-5. Using the driving support systems

4

Driving

Situations in which the curve speed 

reduction function may not operate

In situations such as the following, the curve 

speed reduction function may not operate:

When the vehicle is being driven around 

a gentle curve.

When the accelerator pedal is being 

depressed.

When the vehicle is being driven around 

an extremely short curve.

Brake operation

A brake operation sound may be heard and 

the brake pedal response may change, but 

these are not malfunctions.

Warning messages and buzzers for 

dynamic radar cruise control with full-

speed range

Warning messages and buzzers are used to 

indicate a system malfunction or to inform 

the driver of the need for caution while driv-

ing. If a warning message is shown on the 

multi-information display, read the message 

and follow the instructions. (

P.180, 370)

When the sensor may not be correctly 

detecting the vehicle ahead

In the case of the following and depending 

on the conditions, operate the brake pedal 

when deceleration of the system is insuffi-

cient or operate the accelerator pedal 

when acceleration is required. 

As the sensor may not be able to correctly 

detect these types of vehicles, the approach 

warning (

P.209) may not be activated.

Vehicles that cut in suddenly

Vehicles traveling at low speeds

Vehicles that are not moving in the same 

lane

Vehicles with small rear ends (trailers 

with no load on board, etc.)

Motorcycles traveling in the same lane

When water or snow thrown up by the 

surrounding vehicles hinders the detect-

ing of the sensor

When your vehicle is pointing upwards 

(caused by a heavy load in the luggage 

compartment, etc.)

Preceding vehicle has an extremely high 

ground clearance

Conditions under which the vehicle-to-

vehicle distance control mode may not 

function correctly

In the case of the following conditions, 

operate the brake pedal (or accelerator 

pedal, depending on the situation) as nec-

essary. 

As the sensor may not be able to correctly 

detect vehicles ahead, the system may not 

operate properly.

When the road curves or when the lanes 

are narrow

When steering wheel operation or your 

position in the lane is unstable

214

4-5. Using the driving support systems

When the vehicle ahead of you deceler-

ates suddenly

When driving on a road surrounded by a 

structure, such as in a tunnel or on a 

bridge

While the vehicle speed is decreasing to 

the set speed after the vehicle acceler-

ates by depressing the accelerator pedal

Situations in which the curve speed 

reduction function may not operate 

properly

In situations such as the following, the curve 

speed reduction function may not operate 

properly:

When the vehicle is being driven around 

a curve on an incline/decline

When the course of the vehicle differs 

from the shape of the curve

When the vehicle speed is excessively 

high when entering a curve

When the steering wheel is suddenly 

operated

Meter control switches

Turn the Blind Spot Monitor on/off.

BSM (Blind Spot Monitor)

The Blind Spot Monitor is a system 
that uses rear side radar sensors 
installed on the inner side of the 
rear bumper on the left and right 
side to assist the driver in confirm-
ing safety when changing lanes.

WARNING

Cautions regarding the use of the 

function

The driver is solely responsible for safe 

driving. Always drive safely, taking care 

to observe your surroundings.
The Blind Spot Monitor is a supplemen-

tary function which alerts the driver that a 

vehicle is in a blind spot of the outside 

rear view mirrors or is approaching rap-

idly from behind into a blind spot. Do not 

overly rely on the Blind Spot Monitor. As 

the function cannot judge if it is safe to 

change lanes, over reliance could lead to 

an accident resulting in death or serious 

injury.
As the system may not function correctly 

under certain conditions, the driver’s 

own visual confirmation of safety is nec-

essary.

System components

A

215

4-5. Using the driving support systems

4

Driving

Outside rear view mirror indicators

When a vehicle is detected in a blind spot 
of the outside rear view mirrors or 
approaching rapidly from behind into a 
blind spot, the outside rear view mirror 
indicator on the detected side will illumi-
nate. If the turn signal lever is operated 
toward the detected side, the outside rear 
view mirror indicator will flash.

BSM indicator

When the Blind Spot Monitor is turned on, 
the indicator comes on.

1

Press 

 or 

 of the meter con-

trol switches, select 

.

2

Press 

 or 

 of the meter con-

trol switches, select “BSM”, and 
then press “OK”.

Outside rear view mirror indicator visi-

bility

In strong sunlight, the outside rear view mir-

ror indicator may be difficult to see.

When “Blind Spot Monitor Unavailable” 

is shown on the multi-information dis-

play

Ice, snow, mud, etc., may be attached to the 

rear bumper around the sensors. (

P.214) 

Remove the ice, snow, mud, etc., attached 

to the rear bumper around the sensors to 

return the function to normal. Additionally, 

the sensors may not operate normally when 

driving in extremely hot or cold environ-

ments.

Customization

Some functions can be customized. (Cus-

tomizable features: 

P.417)

Turning the Blind Spot Monitor 
on/off

B

C

WARNING

To ensure the system can operate 

properly

Blind Spot Monitor sensors are installed 

behind the left and right sides of the rear 

bumper respectively. Observe the fol-

lowing to ensure the Blind Spot Monitor 

can function correctly.

Keep the sensors and the surrounding 

areas on the rear bumper clean at all 

times. 

If a sensor or its surrounding area on 

the rear bumper is dirty or covered 

with snow, the Blind Spot Monitor may 

not operate and a warning message 

(

P.214) will be displayed. In this situ-

ation, clear off the dirt or snow and 

drive the vehicle with the operation 

conditions of the BSM function 

(

P.216) satisfied for approximately 

10 minutes. If the warning message 

does not disappear, have the vehicle 

inspected by your Lexus dealer.

Do not subject a sensor or its sur-

rounding area on the rear bumper to a 

strong impact. 

If a sensor is moved even slightly off 

position, the system may malfunction 

and vehicles may not be detected cor-

rectly. 

In the following situations, have your 

vehicle inspected by your Lexus 

dealer.

• A sensor or its surrounding area is 

subject to a strong impact.

• If the surrounding area of a sensor is 

scratched or dented, or part of them 

has become disconnected.

Do not disassemble the sensor.

216

4-5. Using the driving support systems

Vehicles that can be detected by the Blind Spot Monitor

The Blind Spot Monitor uses rear side radar sensors to detect the following vehi-
cles traveling in adjacent lanes and advises the driver of the presence of such vehi-
cles via the indicators on the outside rear view mirrors.

Vehicles that are traveling in areas that are not visible using the outside rear 
view mirrors (the blind spots)

Vehicles that are approaching rapidly from behind in areas that are not visible 
using the outside rear view mirrors (the blind spots)

Blind Spot Monitor detection areas

The areas that vehicles can be detected in are outlined below.

WARNING

Do not attach accessories, stickers 

(including transparent stickers), alumi-

num tape, etc. to a sensor or its sur-

rounding area on the rear bumper.

Do not modify the sensor or surround-

ing area on the rear bumper.

If a sensor or the rear bumper needs to 

be removed/installed or replaced, 

contact your Lexus dealer.

Do not paint the rear bumper any 

color other than an official Lexus color.

Blind Spot Monitor operation

A

B

217

4-5. Using the driving support systems

4

Driving

The range of each detection area is:

Approximately 1.6 ft. (0.5 m) to 11.5 ft. (3.5 m) from either side of the vehicle

*1

Approximately 3.3 ft. (1 m) forward of the rear bumper

Approximately 9.8 ft. (3 m) from the rear bumper

Approximately 9.8 ft. (3 m) to 197 ft. (60 m) from the rear bumper

*2

*1

: The area between the side of the vehicle and 1.6 ft. (0.5 m) from the side of the vehicle 

cannot be detected.

*2

: The greater the difference in speed between your vehicle and the detected vehicle is, 

the farther away the vehicle will be detected, causing the outside rear view mirror indi-
cator to illuminate or flash.

The Blind Spot Monitor is operational 

when

The Blind Spot Monitor is operational when 

all of the following conditions are met:

The Blind Spot Monitor is on.

The shift lever is in a position other than R.

The vehicle speed is greater than 

approximately 10 mph (16 km/h).

The Blind Spot Monitor will detect a 

vehicle when

The Blind Spot Monitor will detect a vehicle 

present in the detection area in the follow-

ing situations:

A vehicle in an adjacent lane overtakes 

your vehicle.

You overtake a vehicle in adjacent lane 

slowly.

Another vehicle enters the detection 

area when it changes lanes.

Conditions under which the system will 

not detect a vehicle

The Blind Spot Monitor is not designed to 

detect the following types of vehicles 

and/or objects:

Small motorcycles, bicycles, pedestrians, 
etc.

*

Vehicles traveling in the opposite direc-

tion

Guardrails, walls, signs, parked vehicles 
and similar stationary objects

*

Following vehicles that are in the same 
lane

*

Vehicles traveling 2 lanes away from 
your vehicle

*

Vehicles which are being overtaken rap-
idly by your vehicle.

*

*

: Depending on the conditions, detection 

of a vehicle and/or object may occur.

A
B
C
D

218

4-5. Using the driving support systems

Conditions under which the system may 

not function correctly

The Blind Spot Monitor may not detect 

vehicles correctly in the following situa-

tions:

• When the sensor is misaligned due to a 

strong impact to the sensor or its sur-

rounding area

• When mud, snow, ice, a sticker, etc. is 

covering the sensor or surrounding area 

on the rear bumper

• When driving on a road surface that is 

wet with standing water during bad 

weather, such as heavy rain, snow, or fog

• When multiple vehicles are approaching 

with only a small gap between each vehi-

cle

• When the distance between your vehicle 

and a following vehicle is short

• When there is a significant difference in 

speed between your vehicle and the 

vehicle that enters the detection area

• When the difference in speed between 

your vehicle and another vehicle is 

changing

• When a vehicle enters a detection area 

traveling at about the same speed as your 

vehicle

• As your vehicle starts from a stop, a vehi-

cle remains in the detection area

• When driving up and down consecutive 

steep inclines, such as hills, dips in the 

road, etc.

• When driving on roads with sharp bends, 

consecutive curves, or uneven surfaces

• When vehicle lanes are wide, or when 

driving on the edge of a lane, and the 

vehicle in an adjacent lane is far away 

from your vehicle

• When an accessory (such as a bicycle 

carrier) or towing eyelet is installed to the 

rear of the vehicle

• When there is a significant difference in 

height between your vehicle and the 

vehicle that enters the detection area

• Immediately after the Blind Spot Monitor 

is turned on

Instances of the Blind Spot Monitor 

unnecessarily detecting a vehicle and/or 

object may increase in the following situ-

ations:

• When the sensor is misaligned due to a 

strong impact to the sensor or its sur-

rounding area

• When the distance between your vehicle 

and a guardrail, wall, etc. that enters the 

detection area is short

• When driving up and down consecutive 

steep inclines, such as hills, dips in the 

road, etc.

• When vehicle lanes are narrow, or when 

driving on the edge of a lane, and a vehi-

cle traveling in a lane other than the adja-

cent lanes enters the detection area

• When driving on roads with sharp bends, 

consecutive curves, or uneven surfaces

• When the tires are slipping or spinning

• When the distance between your vehicle 

and a following vehicle is short

• When an accessory (such as a bicycle 

carrier) or towing eyelet is installed to the 

rear of the vehicle

219

4-5. Using the driving support systems

4

Driving

Vehicles without Adaptive Variable 
Suspension system

Except F SPORT models

F SPORT models

1

Normal mode

Provides an optimal balance of fuel econ-
omy, quietness, and dynamic performance. 
Suitable for city driving.
Press the switch to change to normal mode 
when not in normal mode.

2

Eco drive mode

Helps the driver accelerate in an eco-
friendly manner and improve fuel economy 
through moderate throttle characteristics 
and by controlling the operation of the air 
conditioning system (heating/cooling).
When not in Eco drive mode, if the Driving 
Mode Select switch is turned toward you, 
the Eco drive mode indicator comes on.

3

Sport mode

Controls the hybrid system to provide 
quick, powerful acceleration. This mode is 
suitable for when agile driving response is 
desired, such as when driving on roads 
with many curves.
When not in SPORT mode, if the Driving 
Mode Select switch is turned away from 
you, the Sport mode indicator comes on.

Vehicles with Adaptive Variable 
Suspension system

1

Normal mode/Custom mode

Normal mode and custom mode are 
selected by pressing the Driving Mode 
Select switch. Each time the switch is 
pressed, the driving mode changes 
between normal mode and custom mode. 
When custom mode is selected, the Cus-
tom mode indicator comes on.
Press the switch to change the normal 
mode when not in normal mode.
• Normal mode
Provides an optimal balance of fuel econ-
omy, quietness, and dynamic performance. 
Suitable for city driving.
• Custom mode
Allows you to drive with the power train, 
chassis and air conditioning system func-

Driving Mode Select switch

The driving modes can be selected 
to suit driving condition.

Selecting the driving mode

A
B

220

4-5. Using the driving support systems

tions set to your preferred settings.
Custom mode settings can only be 
changed on the drive mode customization 
display of Center Display. (

P.417)

2

Eco drive mode

Helps the driver accelerate in an eco-
friendly manner and improve fuel economy 
through moderate throttle characteristics 
and by controlling the operation of the air 
conditioning system (heating/cooling).
When not in Eco drive mode, if the Driving 
Mode Select switch is turned toward you, 
the Eco drive mode indicator comes on.

3

Sport mode

• Sport  S  mode
Controls the hybrid system to provide 
quick, powerful acceleration. This mode is 
suitable for when agile driving response is 
desired, such as when driving on roads 
with many curves.
When not in Sport S mode, if the Driving 
Mode Select switch is turned away from 
you, the Sport S mode indicator comes on.
• Sport  S+  mode
Helps to ensure steering performance and 
driving stability by simultaneously con-
trolling the steering and suspension in 
addition to the transmission and engine. 
Suitable for sportier driving.
When in Sport S mode, if the Driving 
Mode Select switch is turned away from 
you, the Sport S+ mode indicator comes 
on.

Operation of the air conditioning sys-

tem in Eco drive mode

Eco drive mode controls the heating/cool-

ing operations and fan speed of the air con-

ditioning system to enhance fuel efficiency. 

To improve air conditioning performance, 

perform the following operations:

Turn off eco air conditioning mode 

(

P.269)

Adjust the fan speed (

P.265)

Turn off Eco drive mode (

P.218)

Auto Glide Control

While driving in Eco drive mode with D 

position, selected, releasing the accelera-

tor pedal will activate Auto Glide Con-

trol under certain conditions. (Auto 

Glide Control may activate before the 

accelerator pedal is fully released.) 

When Auto Glide Control operates, the 

electric motor (traction motor) will be 

controlled, reducing the deceleration 

force and allowing the vehicle to coast, 

enhancing fuel economy.

When Auto Glide Control operates, the 
AGC indicator light will illuminate.

Auto Glide Control may not operate in 

the following situations:

• When not in Eco drive mode

• When the brake pedal is depressed

• When a shift position other than D is 

selected

• When the vehicle speed is approximately 

10 mph (15 km/h) or lower

• When the vehicle is accelerating on a 

downward slope

• When the PCS (Pre-Collision System) is 

operating

• When the dynamic radar cruise control 

with full-speed range is operating

• When the PKSB (Parking Support 

Brake) system (if equipped) is operating

• When the TRAC or VSC system is oper-

ating

• When the TRAC or VSC system is dis-

abled by pressing the 

 switch

Automatic deactivation of sport mode 

and custom mode (if equipped)

If the power switch is turned off after driving 

in sport mode or custom mode, the drive 

221

4-5. Using the driving support systems

4

Driving

mode will be changed to normal mode.

Driving mode pop-up display

When the driving mode is changed, the 

selected driving mode will be temporarily 

displayed on the Center Display. (Except 

for Normal mode)
For Custom mode, select “Settings” on the 

display to customize the driving mode.

Customization (vehicles with Adaptive 

Variable Suspension system)

Settings (e.g. custom mode) can be 

changed. (Customizable features: 

P.417)

*

: If equipped

Intuitive parking assist

Ultrasonic sensors are used to detect 
static objects in the detection area 
when driving at a low speed or backing 
up. (

P.222)

RCTA (Rear Cross Traffic Alert) 
function

Rear side radar sensors are used to 
detect approaching vehicles in the 
detection areas behind the vehicle 
when backing up. (

P.229)

RCD (Rear camera detection) 
function (if equipped)

A rear camera sensor is used to detect 
pedestrians in the detection area 
behind the vehicle when backing up. 
(

P.235)

PKSA (Parking Support 
Alert)

*

The Parking Support Alert system 
consists of the following functions 
that operate when driving at a low 
speed or backing up, such as when 
parking. When the system deter-
mines that the possibility of a colli-
sion with a detected object, such as 
a wall, or pedestrian is high, a warn-
ing operates to urge the driver to 
take evasive action.

PKSA (Parking Support Alert) 
system

222

4-5. Using the driving support systems

Adjusting the buzzer volume

The buzzer volume can be adjusted on 
the multi-information display. The vol-
ume of buzzers for the intuitive parking 
assist, RCTA function and RCD func-
tion will be adjusted simultaneously.
Use the meter control switches to 
change settings. (

P.86)

1

Press 

 or 

 to select 

.

2

Press 

 or 

 to select “PKSA” 

and then press “OK”.

3

Press 

 or 

 to select 

 and 

then press “OK”.

Each time the switch is pressed, the vol-

ume level will change between 1, 2, and 3.

Muting a buzzer temporarily

A mute button will be displayed on the 
multi-information display or Center 
Display (vehicles with 12.3-inch Cen-
ter Display and Lexus parking assist 
monitor) when an object or pedestrian 
is detected. To mute the buzzer, press 
“OK” or 

.

The buzzers for the intuitive parking 
assist, RCTA function and RCD func-
tion will be muted simultaneously.
Mute will be automatically canceled in 
the following situations:

When the shift position is changed.

When there is a malfunction in a 
sensor or the system is temporarily 
unavailable.

When the function is disabled while 
it is operating.

When the power switch is turned 
off.

Setting the buzzer volume

223

4-5. Using the driving support systems

4

Driving

*

: If  equipped

Types of sensors

Front corner sensors

Front center sensors

Rear corner sensors

Rear center sensors

Display

When the sensors detect an object, 
such as a wall, a graphic is shown on 
the multi-information display, head-up 
display (if equipped) and Center Dis-
play depending on the position and dis-
tance to the object.

Multi-information display and head-
up display

Front corner sensor detection

Front center sensor detection

Rear corner sensor detection

Rear center sensor detection

Center Display

A graphic is shown when the Lexus park-
ing assist monitor (if equipped) is dis-
played.
A simplified image is displayed on the 
Center Display when an object is detected.
• When the shift lever is in R

• When the shift lever is in N, S or D (vehi-

cle moving forward)

Intuitive parking assist

*

The distance from your vehicle to 
objects, such as a wall, when paral-
lel parking or maneuvering into a 
garage is measured by the sensors 
and communicated via the multi-
information display, head-up dis-
play (if equipped), Center Display 
and a buzzer. Always check the sur-
rounding area when using this sys-
tem.

System components

A
B
C
D

A
B
C
D

224

4-5. Using the driving support systems

When an object is detected, a graphic will 
be displayed on the panoramic view moni-
tor (if equipped).

Use the meter control switches to 
enable/disable the intuitive parking 
assist. (

P.86)

1

Press 

 or 

 to select 

.

2

Press 

 or 

 to select “PKSA” 

and then press “OK”.

3

Press 

 or 

 to select 

 and 

then press “OK”.

When the intuitive parking assist func-
tion is disabled, the intuitive parking 
assist OFF indicator (

P.74) illumi-

nates on the multi-information display.

To re-enable the system, select 

 on 

the multi-information display, select 

 and turn it on. If the system is dis-

abled, it will remain off even if the 
power switch is turned to ON mode 
after the power switch has been turned 
off.

Turning intuitive parking assist 
on/off

WARNING

Cautions regarding the use of the 

system

There is a limit to the degree of recogni-

tion accuracy and control performance 

that this system can provide, do not 

overly rely on this system. The driver is 

always responsible for paying attention 

to the vehicle’s surroundings and driving 

safely.

To ensure the system can operate 

properly

Observe the following precautions. 

Failing to do so may result in the vehicle 

being unable to be driven safely and pos-

sibly cause an accident.

Do not damage the sensors, and 

always keep them clean.

Do not attach a sticker or install an 

electronic component, such as a back-

lit license plate (especially fluorescent 

type), fog lights, fender pole or wire-

less antenna near a radar sensor.

Do not subject the surrounding area of 

the sensor to a strong impact. If sub-

jected to an impact, have the vehicle 

inspected by your Lexus dealer. If the 

front or rear bumper needs to be 

removed/installed or replaced, con-

tact your Lexus dealer.

Do not modify, disassemble or paint 

the sensors.

Do not attach a license plate cover.

Keep your tires properly inflated.

225

4-5. Using the driving support systems

4

Driving

The system can be operated when

The power switch is in ON mode.

Intuitive parking assist function is on.

The vehicle speed is less than about 6 

mph (10 km/h).

A shift lever is shifted to a position other 

than P.

Setting the buzzer volume

The buzzer volume can be adjusted on the 

multi-information display. (

P.221)

If “Parking Assist Unavailable Clean 

Parking Assist Sensor” is displayed on 

the multi-information display

A sensor may be covered with ice, snow, 

dirt, etc. Remove the ice, snow, dirt, etc., 

from the sensor to return the system to nor-

mal.
Also, due to ice forming on a sensor at low 

temperatures, a warning message may be 

displayed or the sensor may not be able to 

detect an object. Once the ice melts, the 

system will return to normal.

If “Parking Assist Unavailable” is dis-

played on the multi-information display

Water may be continuously flowing over 

the sensor surface, such as in a heavy 

rain. When the system determines that it 

is normal, the system will return to nor-

mal.

Initialization may not have been per-

formed after a 12-volt battery terminal 

was disconnected and reconnected. Ini-

tialize the system. (

P.224) 

If this message continues to be displayed 

even after initialization, have the vehicle 

inspected by your Lexus dealer.

If a 12-volt battery terminal has been 

disconnected and reconnected

The system needs to be initialized. To initial-

ize the system, drive the vehicle straight 

ahead for 5 seconds or more at a speed of 

approximately 22 mph (35 km/h) or more.

Sensor detection information

The sensor’s detection areas are limited 

to the areas around the vehicle’s front 

and rear bumpers.

The following situations may occur 

during use.

• Depending on the shape of the object 

and other factors, the detection distance 

may shorten, or detection may be impos-

sible.

• There will be a short delay between 

object detection and display. Even at low 

speeds, there is a possibility that the 

object will come within the sensor’s 

detection areas before the display is 

shown and the warning beep sounds.

• It might be difficult to hear the buzzer due 

to the volume of the audio system or air 

flow noise of the air conditioning system.

• It may be difficult to hear the buzzer if 

buzzers for other systems are sounding.

Objects which the system may not prop-

erly detect

The shape of the object may prevent the 

sensor from detecting it. Pay particular 

attention to the following objects:

Wires, fences, ropes, etc.

Cotton, snow and other materials that 

absorb sound waves

WARNING

When to disable the function

In the following situations, disable the 

function as it may operate even though 

there is no possibility of a collision.

Failing to observe the warnings above.

A non-genuine Lexus suspension 

(lowered suspension, etc.) is installed.

Notes when washing the vehicle

Do not apply intensive bursts of water or 

steam to the sensor area. Doing so may 

result in the sensor malfunctioning.

When using a high pressure washer to 

wash the vehicle, do not spray the sen-

sors directly, as doing so may cause a 

sensor to malfunction.

When using steam to clean the vehi-

cle, do not direct steam too close to 

the sensors as doing so may cause a 

sensor to malfunction.

226

4-5. Using the driving support systems

Sharply-angled objects

Low objects

Tall objects with upper sections project-

ing outwards in the direction of your vehi-

cle

People may not be detected if they are 

wearing certain types of clothing.

Situations in which the system may not 

operate properly

Certain vehicle conditions and the sur-

rounding environment may affect the ability 

of a sensor to correctly detect objects. Par-

ticular instances where this may occur are 

listed below.

There is dirt, snow or ice on a sensor. 

(Cleaning the sensors will resolve this 

problem.)

A sensor is frozen. (Thawing the area will 

resolve this problem.) 

In especially cold weather, if a sensor is 

frozen the sensor display may be dis-

played abnormally, or objects, such as a 

wall, may not be detected.

When a sensor or the area around a sen-

sor is extremely hot or cold.

On an extremely bumpy road, on an 

incline, on gravel, or on grass.

When vehicle horns, vehicle detectors, 

motorcycle engines, air brakes of large 

vehicles, the clearance sonar of other 

vehicles or other devices which produce 

ultrasonic waves are near the vehicle.

A sensor is coated with a sheet of spray 

or heavy rain.

If objects draw too close to the sensor.

When a pedestrian is wearing clothing 

that does not reflect ultrasonic waves (ex. 

skirts with gathers or frills).

When objects that are not perpendicular 

to the ground, not perpendicular to the 

vehicle traveling direction, uneven, or 

waving are in the detection range.

Strong wind is blowing.

When driving in inclement weather such 

as fog, snow or a sandstorm.

When an object that cannot be detected 

is between the vehicle and a detected 

object.

If an object such as a vehicle, motorcycle, 

bicycle or pedestrian cuts in front of the 

vehicle or runs out from the side of the 

vehicle.

If the orientation of a sensor has been 

changed due to a collision or other 

impact.

When equipment that may obstruct a 

sensor is installed, such as a towing eye-

let, bumper protector (an additional trim 

strip, etc.), bicycle carrier, or snow plow.

If the front of the vehicle is raised or low-

ered due to the carried load.

If the vehicle cannot be driven in a stable 

manner, such as when the vehicle has 

been in an accident or is malfunctioning.

When tire chains, a compact spare tire or 

an emergency tire puncture repair kit are 

used.

Situations in which the system may 

operate even if there is no possibility of a 

collision

In some situations, such as the following, the 

system may operate even though there is 

no possibility of a collision.

When driving on a narrow road.

When driving toward a banner, flag, low-

hanging branch or boom barrier (such as 

those used at railroad crossings, toll 

gates and parking lots).

227

4-5. Using the driving support systems

4

Driving

When there is a rut or hole in the surface 

of the road.

When driving on a metal cover (grating), 

such as those used for drainage ditches.

When driving up or down a steep slope.

If a sensor is hit by a large amount of 

water, such as when driving on a flooded 

road.

There is dirt, snow, water drops or ice on 

a sensor. (Cleaning the sensors will 

resolve this problem.)

A sensor is coated with a sheet of spray 

or heavy rain.

When driving in inclement weather such 

as fog, snow or a sandstorm.

When strong winds are blowing.

When vehicle horns, vehicle detectors, 

motorcycle engines, air brakes of large 

vehicles, the clearance sonar of other 

vehicles or other devices which produce 

ultrasonic waves are near the vehicle.

If the front of the vehicle is raised or low-

ered due to the carried load.

If the orientation of a sensor has been 

changed due to a collision or other 

impact.

The vehicle is approaching a tall or 

curved curb.

Driving close to columns (H-shaped steel 

beams, etc.) in multi-story parking 

garages, construction sites, etc.

If the vehicle cannot be driven in a stable 

manner, such as when the vehicle has 

been in an accident or is malfunctioning.

On an extremely bumpy road, on an 

incline, on gravel, or on grass.

When tire chains, a compact spare tire or 

an emergency tire puncture repair kit are 

used.

Detection range of the sensors

Approximately 3.3 ft. (100 cm)

Approximately 4.9 ft. (150 cm)

Approximately 2.0 ft. (60 cm)

The diagram shows the detection range of 
the sensors. Note that the sensors cannot 
detect objects that are extremely close to 
the vehicle.
The range of the sensors may change 
depending on the shape of the object, etc.

Multi-information display, head-up display (if equipped) and Center Display

When an object is detected by a sensor, the approximate distance to the object will 

Sensor detection display, object 
distance

A
B
C

228

4-5. Using the driving support systems

be displayed on the multi-information display, Center Display, and head-up dis-
play. (As the distance to the object becomes short, the distance segments may 
blink.)

Approximate distance to object: 4.9 ft. (150 cm) to 2.0 ft. (60 cm)

*

(Rear center 

sensor)

*

: Automatic buzzer mute function is enabled. (

P.228)

Approximate distance to object: 3.3 ft. (100 cm) to 2.0 ft. (60 cm)

*

 (Front cen-

ter sensor)

*

: Automatic buzzer mute function is enabled. (

P.228)

Approximate distance to object: 2.0 ft. (60 cm) to 1.5 ft. (45 cm)

*

*

: Automatic buzzer mute function is enabled. (

P.228)

Approximate distance to object: 1.5 ft. (45 cm) to 1.0 ft. (30 cm)

*

*

: Automatic buzzer mute function is enabled. (

P.228)

Multi-information display

Center Display

Head-up display

Multi-information display

Center Display

Head-up display

Multi-information display

Center Display

Head-up display

Multi-information display

Center Display

Head-up display

229

4-5. Using the driving support systems

4

Driving

Approximate distance to object: 1.0 ft. (30 cm) to 0.5 ft. (15 cm)

*1

*1

: Automatic buzzer mute function is disabled. (

P.228)

*2

: The distance segments will blink slowly.

Approximate distance to object: Less than 0.5 ft. (15 cm)

*1

*1

: Automatic buzzer mute function is disabled. (

P.228)

*2

: The distance segments will blink rapidly.

Buzzer operation and distance to 
an object

A buzzer sounds when the sensors are 
operating.

The buzzer beeps faster as the vehi-
cle approaches an object. When the 
vehicle comes within the following 
distance of the object, the buzzer 
sounds continuously:

Approximately 1.0 ft. (30 cm)

When 2 or more objects are 
detected simultaneously, the buzzer 
sounds for the nearest object. If one 
or more objects come within 
approximately 1.0 ft. (30 cm) of the 
vehicle, the buzzer will repeat a long 
tone, followed by fast beeps.

Automatic buzzer mute function: 
After a buzzer begins sounding, if 

the distance between the vehicle 
and the detected object does not 
become shorter, the buzzer will be 
muted automatically. (However, if 
the distance between the vehicle 
and object is 1.0 ft. [30 cm] or less, 
this function will not operate.)

The buzzer sounds volume can be 
adjusted. (

P.221)

Multi-information display

*2

Center Display

*2

Head-up display

Multi-information display

*2

Center Display

*2

Head-up display

230

4-5. Using the driving support systems

Meter control switches

Turn the RCTA function on/off.
When the RCTA function is disabled, the 
RCTA OFF indicator illuminates.

Outside rear view mirror indicators

When a vehicle approaching from the right 
or left at the rear of the vehicle is detected, 
both outside rear view mirror indicators 
will flash.

Center Display

If a vehicle approaching from the right or 
left at the rear of the vehicle is detected, 
the RCTA icon (

P.231) for the detected 

side will be displayed on the Center Dis-
play. This illustration shows an example of a 
vehicle approaching from both sides of the 
vehicle.

RCTA buzzer

If a vehicle approaching from the right or 
left at the rear of the vehicle is detected, a 
buzzer will sound.

RCTA (Rear Cross Traffic 
Alert) function

The RCTA function uses the BSM 
rear side radar sensors installed on 
the inner side of the rear bumper. 
This function is intended to assist 
the driver in checking areas that 
are not easily visible when backing 
up.

WARNING

Cautions regarding the use of the 

system

There is a limit to the degree of recogni-

tion accuracy and control performance 

that this system can provide, do not 

overly rely on this system. The driver is 

always responsible for paying attention 

to the vehicle’s surroundings and driving 

safely. (

P.213)

To ensure the system can operate 

properly

P.214

System components

A

B

C

D

231

4-5. Using the driving support systems

4

Driving

Use the meter control switches to 
enable/disable the RCTA function. 
(

P.86)

Vehicles without the Intuitive park-
ing assist

1

Press 

 or 

 to select 

.

2

Press 

 or 

 to select “RCTA” 

and then press “OK”.

3

Press 

 or 

 to select “RCTA” 

and then press “OK”.

Vehicles with the Intuitive parking 
assist

1

Press 

 or 

 to select 

.

2

Press 

 or 

 to select “PKSA” 

and then press “OK”.

3

Press 

 or 

 to select “RCTA” 

and then press “OK”.

When the RCTA function is disabled, the 

RCTA OFF indicator (

P.74) illuminates 

on the multi-information display. (Each 

time the power switch is turned off then 

changed to ON mode, the RCTA function 

will be enabled automatically.)

Outside rear view mirror indicator visi-

bility

In strong sunlight, the outside rear view mir-

ror indicator may be difficult to see.

Hearing the RCTA buzzer

The RCTA buzzer may be difficult to hear 

over loud noises, such as if the audio system 

volume is high.

When “Rear Cross Traffic Alert 

Unavailable” is shown on the multi-

information display

Ice, snow, mud, etc., may be attached to the 

rear bumper around the sensors. (

P.214) 

Remove the ice, snow, mud, etc., attached 

to the rear bumper around the sensors to 

return the function to normal. Additionally, 

the sensors may not operate normally when 

driving in extremely hot or cold environ-

ments.

Rear side radar sensors

P.214

Operation of the RCTA function

The RCTA function uses rear side radar sensors to detect vehicles approaching 
from the right or left at the rear of the vehicle and alerts the driver of the presence 
of such vehicles by flashing the outside rear view mirror indicators and sounding a 
buzzer.

Turning the RCTA function 
on/off

NOTICE

Before using the RCTA function

Do not place obstacles near the sensors.

RCTA function

232

4-5. Using the driving support systems

Approaching vehicles

Detection areas of approaching vehicles

RCTA icon display

When a vehicle approaching from the 
right or left at the rear of the vehicle is 
detected, the following will be dis-
played on the Center Display.

Example: Vehicles are approaching from 
both sides of the vehicle

RCTA function detection areas

The areas that vehicles can be detected in are outlined below.

The buzzer can alert the driver of 
faster vehicles approaching from far-
ther away.

Example:

A
B

Approaching vehi-

cle speed

 Approximate 

alert distance

18 mph (28 km/h) 

(fast)

65 ft. (20 m)

5 mph (8 km/h) 

(slow)

18 ft. (5.5 m)

A

233

4-5. Using the driving support systems

4

Driving

The RCTA function is operational when

The RCTA function operates when all of the 

following conditions are met:

The power switch is in ON mode.

The RCTA function is on.

The shift lever is in R.

The vehicle speed is less than approxi-

mately 5 mph (8 km/h).

The approaching vehicle speed is 

between approximately 5 mph (8 km/h) 

and 18 mph (28 km/h).

Setting the buzzer volume

The buzzer volume can be adjusted on the 

multi-information display.
Use the meter control switches to change 

settings. (

P.86)

Vehicles without the Intuitive parking 

assist

1

Press 

 or 

 to select 

.

2

Press 

 or 

 to select “RCTA”, 

then press “OK”.

3

Press 

 or 

 to select 

 and then 

press “OK”.

Each time the switch is pressed, the volume 

level will change between 1, 2 and 3.

Vehicles with the Intuitive parking assist

P.221

Muting a buzzer temporarily

Vehicles without the Intuitive parking 

assist

A mute button will be displayed on the 
multi-information display when an object is 
detected. To mute the buzzer, press “OK”.

When the shift lever is changed.

When the vehicle speed exceeds a cer-

tain speed.

When the operating function is tempo-

rarily canceled.

When the operating function is disabled 

manually.

When the power switch is turned off.

Vehicles with the Intuitive parking assist

P.221

Conditions under which the system will 

not detect a vehicle

The RCTA function is not designed to 

detect the following types of vehicles 

and/or objects:

Vehicles approaching from directly 

behind

Vehicles backing up in a parking space 

next to your vehicle

Vehicles that the sensors cannot detect 

due to obstructions

Guardrails, walls, signs, parked vehicles 
and similar stationary objects

*

Small motorcycles, bicycles, pedestrians, 
etc.

*

Vehicles moving away from your vehicle

Vehicles approaching from the parking 
spaces next to your vehicle

*

The distance between the sensor and 

approaching vehicle gets too close

*

: Depending on the conditions, detection 

of a vehicle and/or object may occur.

Situations in which the system may not 

operate properly

The RCTA function may not detect vehicles 

correctly in the following situations:

When the sensor is misaligned due to a 

strong impact to the sensor or its sur-

rounding area.

When mud, snow, ice, a sticker, etc., is 

covering the sensor or surrounding area 

on the rear bumper.

When driving on a road surface that is 

wet with standing water during bad 

234

4-5. Using the driving support systems

weather, such as heavy rain, snow, or fog.

When multiple vehicles are approaching 

with only a small gap between each vehi-

cle.

When a vehicle is approaching at high 

speed.

When equipment that may obstruct a 

sensor is installed, such as a towing eye-

let, bumper protector (an additional trim 

strip, etc.), bicycle carrier, or snow plow.

When backing up on a slope with a sharp 

change in grade.

When backing out of a sharp angle park-

ing spot.

When towing a trailer.

When there is a significant difference in 

height between your vehicle and the 

vehicle that enters the detection area.

When a sensor or the area around a sen-

sor is extremely hot or cold.

If the suspension has been modified or 

tires of a size other than specified are 

installed.

If the front of the vehicle is raised or low-

ered due to the carried load.

When turning while backing up.

When a vehicle turns into the detection 

area.

Situations in which the system may 

operate even if there is no possibility of a 

collision

Instances of the RCTA function unneces-

sarily detecting a vehicle and/or object may 

increase in the following situations:

When the parking space faces a street 

and vehicles are being driven on the 

street.

When the distance between your vehicle 

and metal objects, such as a guardrail, 

wall, sign, or parked vehicle, which may 

reflect electrical waves toward the rear of 

the vehicle, is short.

235

4-5. Using the driving support systems

4

Driving

When equipment that may obstruct a 

sensor is installed, such as a towing eye-

let, bumper protector (an additional trim 

strip, etc.), bicycle carrier, or snow plow.

When a vehicle passes by the side of your 

vehicle.

When a detected vehicle turns while 

approaching the vehicle.

When there are spinning objects near 

your vehicle such as the fan of an air con-

ditioning unit.

When water is splashed or sprayed 

toward the rear bumper, such as from a 

sprinkler.

Moving objects (flags, exhaust fumes, 

large rain droplets or snowflakes, rain 

water on the road surface, etc.).

When the distance between your vehicle 

and a guardrail, wall, etc., that enters the 

detection area is short.

Gratings and gutters.

When a sensor or the area around a sen-

sor is extremely hot or cold.

If the suspension has been modified or 

tires of a size other than specified are 

installed.

If the front of the vehicle is raised or low-

ered due to the carried load.

236

4-5. Using the driving support systems

*

: If equipped

Pedestrian detection icon

Displayed automatically when a pedestrian 
is detected.

Use the meter control switches to 
enable/disable the RCD function. 
(

P.86)

1

Press 

 or 

 to select 

.

2

Press 

 or 

 to select “PKSA” 

and then press “OK”.

RCD (Rear Camera Detec-
tion) function

*

When the vehicle is backing up, the 
rear camera detection function can 
detect pedestrians in the detection 
area behind the vehicle. If a pedes-
trian is detected, a buzzer will 
sound and an icon will be displayed 
on the Center Display to inform the 
driver of the pedestrian.

WARNING

Cautions regarding the use of the 

system

The recognition and control capabilities 

for this system are limited.
The driver should always drive safely by 

always being responsible without over 

relying on the system and have a under-

standing of the surrounding situations.

To ensure the system can operate 

properly

Observe the following, otherwise there is 

the danger that could lead to an acci-

dent.

Always clean the camera without 

damaging it.

Do not install market electronic parts 

(such as Illuminated license plate, fog 

lamps, etc.) in the camera vicinity.

Do not subject the camera vicinity to 

strong impacts. If the vicinity is sub-

jected to a strong impact, have the 

vehicle inspected by your Lexus 

dealer.

Do not disassemble, remodel or paint 

the camera.

Do not attach accessories or stickers 

to the camera.

Do not install market protection parts 

(bumper trim, etc.) to the rear bumper.

Maintain suitable tire air pressure.

Make sure the trunk is completely 

closed.

RCD function is turned off

In the following situations the system 

turns off. The RCD function may not 

operate properly and thus there is the 

danger that an accident may occur.

The contents mentioned above are not 

observed.

Suspensions other than Lexus genu-

ine parts are installed.

RCD display

Turning the RCD function on/off

A

237

4-5. Using the driving support systems

4

Driving

3

Press 

 or 

 to select “RCD” 

and then press “OK”.

When the RCD function is disabled, the 

RCD OFF indicator (

P.74) illuminates 

on the multi-information display.
Each time the power switch is turned off 

then changed to ON, the RCD function 

will be enabled automatically.

If the rear camera detection function 
detects a pedestrian in the detection 
area, the buzzer and pedestrian detec-
tion will operate as follows:

If a pedestrian is detected in area 

Buzzer: Sounds repeatedly
Pedestrian detection icon: Blinks 3 
times and then stays on

If a pedestrian is detected in area 

Buzzer (When the vehicle is sta-
tionary): Sounds 3 times
Buzzer (When the vehicle is back-
ing up, when a pedestrian 
approaches the rear of the vehicle): 

Sounds repeatedly
Pedestrian detection icon: Blinks 3 
times and then stays on

If the system determines that your 
vehicle may collide with a pedes-
trian in area 
Buzzer: Sounds repeatedly
Pedestrian detection icon: Blinks 3 
times and then stays on

The rear camera detection function is 

operational when

The power switch is in ON mode.

RCD function is on.

The shift lever is in R.

Setting the buzzer volume

The buzzer volume of the RCD, intuitive 

parking assist and RCTA can all be 

adjusted at once on the multi-information 

display. (

P.221)

If “Rear Camera Detection Unavailable 

Remove the Dirt of Rear Camera” is 

displayed on the multi-information dis-

play

A rear camera lens may be dirty or covered 

with snow or ice. In such cases, if it is 

removed from the rear camera lens, the 

system should return to normal. (It may be 

necessary to drive the vehicle for some time 

before the system returns to normal.)

If “Rear Camera Detection Unavail-

able” is displayed on the multi-informa-

tion display

If the trunk lid is open, fully close it.

If this message is displayed only when the 

shift lever is in R, the rear camera lens 

may be dirty. Clean the rear camera lens.

Situations in which the system may not 

operate properly

Some pedestrians, such as the following, 

may not be detected by the rear camera 

detection function, preventing the func-

tion from operating properly:

• Pedestrians who are bending forward or 

When a pedestrian is detected

A

A

B

B

C

C

238

4-5. Using the driving support systems

squatting

• Pedestrians who are lying down

• Pedestrians who are running

• Pedestrians who suddenly enter the 

detection area

• People riding a bicycle, skateboard, or 

other light vehicle

• Pedestrians wearing oversized clothing 

such as a rain coat, long skirt, etc., making 

their silhouette obscure

• Pedestrians whose body is partially hid-

den by an object, such as a cart or 

umbrella

• Pedestrians which are obscured by dark-

ness, such as at night

In some situations, such as the following, 

pedestrians may not be detected by the 

rear camera detection function, prevent-

ing the function from operating properly:

• When backing up in inclement weather 

(rain, snow, fog, etc.)

• When the rear camera is obscured (dirt, 

snow, ice, etc. are attached) or scratched

• When a very bright light, such as the sun, 

or the headlights of another vehicle, 

shines directly into the rear camera

• When backing up in a place where the 

surrounding brightness changes sud-

denly, such as at the entrance or exit of a 

garage or underground parking lot

• When backing up in a dim environment 

such as during dusk or in an underground 

parking lot

• When the camera position and direction 

are deviated

• When a towing hook is attached

• When water droplets are flowing on the 

camera lens

• When the vehicle height is extremely 

changed (nose up, nose down)

• When tire chains or an emergency tire 

puncture repair kit are used

• When the suspension has been lowered 

or tires of a size other than specified are 

installed

• When market electronic parts (such as 

illuminated license plate, fog lights, etc.) 

are installed in the rear camera vicinity

• When market protection parts (bumper 

trim, etc.) are installed to the rear 

bumper.

Situations in which the system may 

operate unexpectedly

Even though there are no pedestrians in 

the detection area, some objects, such as 

the following, may be detected, possibly 

causing the rear camera detection func-

tion to operate.

• Three dimensional objects, such as a 

pole, traffic cone, fence, or parked vehi-

cle

• Moving objects, such as a car or motor-

cycle

• Objects moving toward your vehicle 

when backing up, such as flags or pud-

dles (or airborne matter, such as smoke, 

steam, rain, or snow)

• Cobblestone or gravel roads, tram rails, 

road repairs, white lines, pedestrian 

crossings or fallen leaves on the road

• Metal covers (gratings) or drainage 

ditches

• Objects reflected in a puddle or on a wet 

road surface

• Shadows  on  the  road

In some situations, such as the following, 

the rear camera detection function may 

operate even though there are no pedes-

trians in the detection area.

• When backing up toward the roadside or 

a bump on the road

• When backing up toward an 

incline/decline

• If the rear of the vehicle is raised or low-

ered due to the carried load

• When market electronic parts (such as 

illuminated license plate, fog lights, etc.) 

are installed in the rear camera vicinity

• When  market  protection parts (bumper 

trim, etc.) are installed to the rear 

bumper.

• If the orientation of the rear camera has 

been changed due to a collision or other 

impact, or removal and installation

• If a towing eyelet is installed to the rear of 

the vehicle

• When water is flowing over the rear cam-

era lens

• When the rear camera is obscured (dirt, 

snow, ice, etc. are attached) or scratched

• If there is a flashing light in the detection 

area, such as the emergency flashers of 

another vehicle

• When tire chains or an emergency tire 

239

4-5. Using the driving support systems

4

Driving

puncture repair kit are used.

Situations in which the rear camera 

detection function may be difficult to 

notice

• The buzzer may be difficult to hear if the 

surrounding area is noisy, the volume of 

the audio system volume is high, the air 

conditioning system is being used, etc.

• If the temperature in the cabin is 

extremely high or low, the Center Dis-

play may not operate correctly.

*

: If equipped

Parking Support Brake function 
(static objects)

Ultrasonic sensors are used to detect 
static objects, such as a wall, in the 
detection area when driving at a low 
speed or backing up. (

P.245)

Parking Support Brake function 
(rear-crossing vehicles)

Rear radar sensors are used to detect 
approaching vehicles in the detection 
area behind the vehicle when backing 
up. (

P.248)

PKSB (Parking Support 
Brake)

*

The Parking Support Brake system 
consists of the following functions 
that operate when driving at a low 
speed or backing up, such as when 
parking. When the system deter-
mines that the possibility of a colli-
sion with a detected object or 
pedestrian is high, a warning oper-
ates to urge the driver to take eva-
sive action. If the system 
determines that the possibility of a 
collision with a detected object or 
pedestrian is extremely high, the 
brakes are automatically applied to 
help avoid the collision or help 
reduce the impact of the collision.

PKSB (Parking Support Brake) 
system

240

4-5. Using the driving support systems

Parking Support Brake function 
(rear pedestrians) (if equipped)

A rear camera sensor is used to detect 
pedestrians in the detection area 
behind the vehicle when backing up. 
(

P.250)

WARNING

Cautions regarding the use of the 

system

Do not overly rely on the system, as 

doing so may lead to an accident.
Always drive while checking the safety of 

the surroundings of the vehicle.
Depending on the vehicle and road con-

ditions, weather, etc., the system may not 

operate.
The detection capabilities of sensors and 

radars are limited. Always drive while 

checking the safety of the surroundings 

of the vehicle.

The driver is solely responsible for safe 

driving. Always drive carefully, taking 

care to observe your surroundings. 

The Parking Support Brake system is 

designed to provide support to lessen 

the severity of collisions. However, it 

may not operate in some situations.

The Parking Support Brake system is 

not designed to stop the vehicle com-

pletely. Additionally, even if the system 

has stopped the vehicle, it is necessary 

to depress the brake pedal immedi-

ately as brake control will be canceled 

after approximately 2 seconds.

It is extremely dangerous to check the 

system operations by intentionally 

driving the vehicle into the direction of 

a wall, etc. Never attempt such actions.

When to disable the Parking Support 

Brake

In the following situations, disable the 

Parking Support Brake as the system 

may operate even though there is no 

possibility of a collision.

When inspecting the vehicle using a 

chassis roller, chassis dynamo or free 

roller.

When loading the vehicle onto a boat, 

truck or other transport vessel.

If the suspension has been modified or 

tires of a size other than specified are 

installed.

If the front of the vehicle is raised or 

lowered due to the carried load.

When equipment that may obstruct a 

sensor is installed, such as a towing 

eyelet, bumper protector (an addi-

tional trim strip, etc.), bicycle carrier, 

or snow plow.

When using automatic car washing 

devices.

If the vehicle cannot be driven in a sta-

ble manner, such as when the vehicle 

has been in an accident or is malfunc-

tioning.

When the vehicle is driven in a sporty 

manner or off-road.

When the tires are not properly 

inflated.

When the tires are very worn.

When tire chains, a compact spare tire 

or an emergency tire puncture repair 

kit are used.

During emergency towing

241

4-5. Using the driving support systems

4

Driving

The Parking Support Brake can be 
enabled/disabled on the multi-infor-
mation display. All of the Parking Sup-
port Brake functions (static objects, 
rear-crossing vehicles, and rear 
pedestrians) are enabled/disabled 
simultaneously.
Use the meter control switches to 
enable/disable the parking support 
brake. (

P.86)

1

Press 

 or 

 to select 

.

2

Press 

 or 

 to select 

 and 

then press “OK”.

When the Parking Support Brake is dis-

abled, the PKSB OFF indicator (

P.74) 

illuminates on the multi-information dis-

play.

To re-enable the system, select 

 on the 

multi-information display, select 

 and 

turn it on. If the system is disabled, it will 

remain off even if the power switch is 

turned to ON mode after the power switch 

has been turned off.

If the hybrid system output restriction con-
trol or brake control operates, a buzzer 
will sound and a message will be displayed 
on the Center Display and multi-informa-
tion display, to alert the driver. On vehicles 
with a head-up display, the head-up display 
will display the same message as the multi-
information display.
Depending on the situation, hybrid system 
output restriction control will operate to 
either limit acceleration or restrict output 
as much as possible.

Hybrid system output restriction 
control is operating (acceleration 
restriction)

Acceleration greater than a certain 
amount is restricted by the system.
Center Display (Panoramic view monitor): 
No warning displayed
Multi-information display: “Object 
Detected Acceleration Reduced”
PKSB OFF indicator: Not illuminated
Buzzer: Does not sound

Hybrid system output restriction 
control is operating (output 
restricted as much as possible)

The system has determined that stronger-
than-normal brake operation is necessary.
Center Display (Panoramic view monitor): 
“BRAKE!”
Multi-information display: “BRAKE!”
PKSB OFF indicator: Not illuminated
Buzzer: Short beep

Brake control is operating

NOTICE

If “Parking Support Brake Unavail-

able” is displayed on the multi-infor-

mation display and the PKSB OFF 

indicator is flashing

If this message is displayed immediately 

after the power switch is changed to ON 

mode, operate the vehicle carefully, pay-

ing attention to your surroundings. It may 

be necessary to drive the vehicle for a 

certain amount of time before the system 

returns to normal. (If the system is not 

return to normal after driving for a while, 

clean the rear camera lens.)

Enabling/Disabling the Parking 
Support Brake

Displays and buzzers for hybrid 
system output restriction control 
and brake control

242

4-5. Using the driving support systems

The system determined that emergency 
braking is necessary.
Center Display (Panoramic view monitor): 
“BRAKE!”
Multi-information display: “BRAKE!”
PKSB OFF indicator: Not illuminated
Buzzer: Short beep

Vehicle stopped by system opera-
tion

The vehicle has been stopped by brake 

control operation.
Center Display (Panoramic view monitor): 
“Switch to Brake” (If the accelerator pedal 
is not depressed, “Press Brake Pedal” will 
be displayed.)
Multi-information display: “Switch to 
Brake” (If the accelerator pedal is not 
depressed, “Press Brake Pedal” will be dis-
played.)
PKSB OFF indicator: Illuminated
Buzzer: Short beep

If the Parking Support Brake determines that a collision with a detected object or 
pedestrian is possible, the hybrid system output will be restricted to restrain any 
increase in the vehicle speed. (Hybrid system output restriction control: See figure 
2 below.)
Additionally, if the accelerator pedal continues to be depressed, the brakes will be 
applied automatically to reduce the vehicle speed. (Brake control: See figure 3 
below.)

Figure 1 When the PKSB (Parking Support Brake) is disabled

Hybrid system output

Braking force

Time

Figure 2 When hybrid system output restriction control operates

System overview

A
B
C

243

4-5. Using the driving support systems

4

Driving

Hybrid system output

Braking force

Time

Hybrid system output restriction control begins operating

System determines that possibility of collision with detected object is high

Hybrid system output reduced

Example: Multi-information display:
“BRAKE!”

Figure 3 When brake control operates

Hybrid system output

Braking force

A
B
C
D

E
F

G

A
B

244

4-5. Using the driving support systems

Time

Hybrid system output restriction control begins operating

System determines that possibility of collision with detected object is high

Hybrid system output reduced

System determines that possibility of collision with detected object is extremely 
high

Brake control begins operating

Brake control strength increased

Example: Multi-information display: “BRAKE!”

Example: Multi-information display: “Switch to Brake”

If the Parking Support Brake has oper-

ated

If the vehicle is stopped due to operation of 

the Parking Support Brake, the Parking 

Support Brake will be disabled and the 

PKSB OFF indicator will illuminate. If the 

Parking Support Brake operates unneces-

sarily, brake control can be canceled by 

depressing the brake pedal or waiting for 

approximately 2 seconds for it to automati-

cally be canceled. Then, the vehicle can be 

operated by depressing the accelerator 

pedal.

Re-enabling the Parking Support Brake

To re-enable the Parking Support Brake 

when it has been disabled due to system 

operation, perform any of the following 

operations. At this time, the PKSB OFF 

indicator will turn off. (

P.74)

Turn the PKSB system on (

P.240)

Turn the power switch off, and then back 

to ON mode

Shift the shift lever to P

Drive with no operation targets in the 

traveling direction of the vehicle

Change the traveling direction of the 
vehicle

*

*

: Except the Parking Support Brake func-

tion (rear pedestrian)

If “Parking Support Brake Unavailable” 

is displayed on the multi-information 

display and the PKSB OFF indicator is 

flashing

If this message is displayed only when the 

shift lever is in R, the rear camera lens may 

be dirty. Clean the camera lens. If this mes-

sage is displayed when the shift lever is in 

any position other than R, a sensor on the 

front or rear bumper may be dirty. Clean 

the sensors and their surrounding area on 

the bumpers.

If “Parking Support Brake Unavailable” 

and “Parking Assist Unavailable Clean 

Parking Assist Sensor” are displayed on 

the multi-information display and the 

PKSB OFF indicator is flashing

A sensor may be covered with ice, snow, 

dirt, etc. In this case, remove the ice, 

snow, dirt, etc., from the sensor to return 

the system to normal. If this message is 

shown even after removing dirt from the 

sensor, or shown when the sensor was 

not dirty to begin with, have the vehicle 

inspected at your Lexus dealer.

A sensor may be frozen. Once the ice 

melts, the system will return to normal.

Water may be continuously flowing over 

the sensor surface, such as in a heavy 

rain. When the system determines that it 

is normal, the system will return to nor-

mal.

C
D

E
F

G

H

I

J

K

 

 

 

 

 

 

 

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