Lexus RZ (2023 year). Manual in english

249

5-1. Functions and displays of the meter

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Outside temperature

Displays the ambient temperature within
the range of -40°C (-40°F) to 60°C
(140°F).

Odometer and trip meter display
(



P.251)

Multi-information display

Presents the driver with a variety of vehicle
data and displays warning messages if a
malfunction occurs .

Background color of driving mode

Background color changes according to
the driving mode.

Driving range

Displays the driving range with charge
remaining in the traction battery.

: Displayed when the meter display type

setting is set to display type 1

: Displayed when the meter display type

setting is set to display type 2

: For details, refer to “MULTIMEDIA

OWNER’S MANUAL”.



Vehicles with a head-up display (Bar
display state

)

SOC (State of Charge) gauge

Displays the amount of charge remaining
in the traction battery.

Clock

Automatically adjusts the time by using the
GPS time information (GPS clock).

Navigation system estimated time
of arrival display

Displays the estimated time of arrival
according to the navigation system.

Power meter

Displays EV system output or regeneration
level. (



P.250)

Shift position/regenerative braking
power indicator (



P.155, 161)

Digital speedometer
Outside temperature

Displays the ambient temperature within
the range of -40°C (-40°F) to 60°C
(140°F).

Odometer and trip meter display
(



P.251)

Multi-information display

Presents the driver with a variety of vehicle
data and displays warning messages if a
malfunction occurs.

Background color of driving mode

Background color changes according to
the driving mode.

Driving range

Displays the driving range with charge
remaining in the traction battery.

: Displayed when the meter display type

setting is set to display type 3

: For details, refer to “MULTIMEDIA

OWNER’S MANUAL”.

250

5-1. Functions and displays of the meter

■

The meters and display illuminate when

The power switch is in ON.

■

The meters and display change to bar

display state when (vehicles with a

head-up display)

The meters and display automatically

change to bar display state when all of the

following conditions are met:

●

LTA (Lane Tracing Assist) is enabled.

(



P.298)

●

The dynamic radar cruise control is oper-

ating. (



P.327)

■

Outside temperature display

●

In the following situations, the correct

outside temperature may not be dis-

played, or the display may take longer

than normal to change:

• When stopped, or driving at low speeds

(less than 25 km/h [16 mph])

• When the outside temperature has

changed suddenly (at the entrance/exit of

a garage, tunnel, etc.)

●

When “--” or “E” is displayed, the system

may be malfunctioning.

Take your vehicle to any authorized Lexus
retailer or Lexus authorized repairer, or
any reliable repairer.

■

Driving range

●

When the air conditioning system is
operating,

and the driving

range with the air conditioning system on

are displayed.

●

The driving range may shorten even

when not driving due to power consump-

tion by the system.

■

Liquid crystal display

Small spots or light spots may appear on the

display.
This phenomenon is characteristic of liquid

crystal displays, and there is no problem

continuing to use the display.

■

Free/Open Source Software Informa-

tion

This product contains Free/Open Source

Software (FOSS). The license information

and/or the source code of such FOSS can

be found at the following URL.
https://www.denso.com/global/en/

opensource/meter/toyota/

■

Customization

Some functions can be customized.

(



P.603)

This illustration is for explanation only
and may differ depending on the speci-
fications of the vehicle.

WARNING

Allow the interior of the vehicle to warm

up before using the liquid crystal infor-

mation display. At extremely low temper-

atures, the information display monitor

may respond slowly, and display changes

may be delayed.

For example, there is a lag between the

driver’s shifting and the regenerative

braking power appearing on the display.

This lag could cause the driver to

downshift again, causing rapid and

excessive regenerative braking and pos-

sibly an accident resulting in death or

injury.

Power meter

Power meter displays EV system
output or regeneration level.

251

5-1. Functions and displays of the meter

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Charge area

Shows regeneration

status.

Regenerated energy will be used to charge
the EV battery (traction battery).

Power area

Displays the EV system output (accelera-
tion force) while driving.

Regeneration

restrictions refer-

ence display

In the following situations, regenerative
braking is restricted, and the references for
those restrictions are displayed in the
charge area.
• When the traction battery has a large

amount of charge and can no longer be
regenerated

• When the temperature of the traction

batter is extremely high or extremely low

Output restrictions reference dis-
play

In the following situations, the output is
restricted, and the references for those
restrictions are displayed in the power
area.
• When the traction battery has a low

amount of charge and can no longer
output power

• When the temperature of the traction

batter is extremely high or extremely low

: When used in this manual, “regenera-

tion” refers to the conversion of energy
created by the movement of the vehicle
into electrical energy.

: The actual restrictions may differ

depending on the vehicle condition.

The display can be changed between
the following items.



Odometer

Displays the total distance the vehicle has
been driven.



Trip meter A/trip meter B

Displays the distance the vehicle has been
driven since the meter was last reset. Trip
meters A and B can be used to record and
display different distances independently.

Each time the switch is pressed, the
displayed item will be changed.
When the trip meter is displayed,
pressing and holding the switch will
reset the trip meter.

Changing the distance driven
display/resetting the distance
driven

252

5-2. Functions of the displays

5-2.Functions of the displays

Content display area
Driving support system informa-
tion display area

When a menu icon other than

selected, if the driving support system
operates, the system operating state will be
displayed. (



P.261)

By selecting menu icons on the
multi-information display, the following
items can be displayed.



Driving information display

(



P.258)



Navigation system-linked

display (



P.261)



Audio system-linked dis-

play (



P.261)



Driving support system

information display (



P.261)



Warning message

(



P.262)

■

Liquid crystal display

Small spots or light spots may appear on the

display. This phenomenon is characteristic

of liquid crystal displays, and there is no

problem continuing to use the display.

■

Changing the instrument panel light

brightness



P.264

Multi-information display
(vehicles without a head-up
display)

A variety of driving-related infor-
mation can be displayed. Depend-
ing on the situation, warning or
advice pop-up displays will also be
displayed.

Display area

Items displayed in the content
display area

A
B

WARNING

■

Caution for use while driving

●

When operating the multi-information

display while driving, pay extra atten-

tion to the safety of the area around the

vehicle.

●

Do not look continuously at the

multi-information display while driving

as you may fail to see pedestrians,

objects on the road, etc. ahead of the

vehicle.

■

The information display at low tem-

peratures

Allow the interior of the vehicle to warm

up before using the liquid crystal infor-

mation display. At extremely low temper-

atures, the information display monitor

may respond slowly, and display changes

may be delayed.

253

5-2. Functions of the displays

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Driving support system informa-
tion display area

When driving support system information
is not displayed in the content display area,
if the driving support system operates, the
system operating state will be displayed.
(



P.261)

Navigation system-linked display
area

If the navigation system linked-display is
not displayed in the content display area,
route guidance will be displayed. (



P.261)

Content display area

The following items can be displayed.

WARNING

For example, there is a lag between the

driver’s shifting and the regenerative

braking power appearing on the display.

This lag could cause the driver to

downshift again, causing rapid and

excessive regenerative braking and pos-

sibly an accident resulting in death or

injury.

NOTICE

To prevent 12-volt battery discharge,

ensure that the EV system is operating

while setting up the display features.

Multi-information display
(vehicles with a head-up dis-
play)

A variety of driving-related infor-
mation can be displayed. Depend-
ing on the situation, warning or
advice pop-up displays will also be
displayed.

Display area

Items displayed in the content
display area

254

5-2. Functions of the displays



Drive information 1 (



P.258)



Drive information 2 (



P.259)



Audio system-linked display
(



P.261)



Navigation system-linked dis-
play

(



P.261)



Driving support system information
display

(



P.261)



Blank (No items) (



P.259)

: Displayed on the head-up display when

the display mode is set to display the
maximum.

■

Liquid crystal display

Small spots or light spots may appear on the

display. This phenomenon is characteristic

of liquid crystal displays, and there is no

problem continuing to use the display.

■

Changing the instrument panel light

brightness



P.264

WARNING

■

Caution for use while driving

●

When operating the multi-information

display while driving, pay extra atten-

tion to the safety of the area around the

vehicle.

●

Do not look continuously at the

multi-information display while driving

as you may fail to see pedestrians,

objects on the road, etc. ahead of the

vehicle.

■

The information display at low tem-

peratures

Allow the interior of the vehicle to warm

up before using the liquid crystal infor-

mation display. At extremely low temper-

atures, the information display monitor

may respond slowly, and display changes

may be delayed.

For example, there is a lag between the

driver’s shifting and the regenerative

braking power appearing on the display.

This lag could cause the driver to

downshift again, causing rapid and

excessive regenerative braking and pos-

sibly an accident resulting in death or

injury.

NOTICE

To prevent 12-volt battery discharge,

ensure that the EV system is operating

while setting up the display features.

255

5-2. Functions of the displays

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: If equipped

The content displayed will differ according to the driving conditions and display
mode of the head-up display. Depending on the situation, pop-up displays will also
be displayed.

Main display area

Displays the following items:
• Driving support system information display (



P.261)

• Power meter (



P.250)

• Compass

Driving information display area

Displays the following items:
• Speedometer
• Shift position/regenerative braking power indicator (



P.155, 161)

: Master warning icon

Displayed when a warning message is displayed.

■

Head-up display will operate when

The power switch is in ON.

■

When using the head-up display

The head-up display may seem dark or hard

to see when viewed through sunglasses,

especially polarized sunglasses. Adjust the

brightness of the head-up display or

remove your sunglasses.

■

The power meter is displayed when

When the following conditions are met, the

power meter will be displayed on the

Head-up display

The head-up display projects a variety of driving-related information and the
operating state of the driving support systems on the windshield.

256

5-2. Functions of the displays

head-up display.

●

The head-up display is set to display the

maximum. (



P.264)

●

LTA (Lane Tracing Assist) is disa-

bled.(



P.298)

●

LDA (Lane Departure Alert) is disa-

bled.(



P.611)

●

The cruise control, selected by pressing

the driving assist mode select switch, is

canceled. (



P.337, 339)

■

Customization

Some functions can be customized.

(



P.264)

WARNING

Do not continuously look at the head-up

display while driving as you may fail to

see pedestrians, objects on the road, etc.

ahead of the vehicle.

NOTICE

Observe the following precautions.

●

Do not place any drinks near the

head-up display projector. If the pro-

jector gets wet, electrical malfunctions

may result.

●

Do not place anything on or put stick-

ers onto the head-up display projector.

Doing so could interrupt head-up display
indications.

●

Do not touch the inside of the head-up

display projector or thrust sharp edges

or the like into the projector.

Doing so could cause mechanical mal-
functions.

257

5-2. Functions of the displays

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

Vehicles without a head-up display

: Select menu icons

: Change displayed content,

scroll up/down the screen and move the
cursor up/down

Enter/Set
Return to the previous screen
Start/receive call

Linked with the hands-free system, sending
or receiving call is displayed. For details
regarding the hands-free system, refer to
“MULTIMEDIA OWNER’S MANUAL”.



Vehicles with a head-up display

The function of each switch differs depending on the conditions and settings.

When a switch is touched, the function of each switch is displayed on the head-up display. If
the head-up display is off, or when it is not possible to display content on the head-up dis-
play, the functions will be displayed on the multi-information display.
Also, preferred functions for each switch can be set on the center display.

Each time this switch is pressed, the functions will change.
Switch icon display

The icon of each switch will be displayed. The touched switch will be highlighted. (

)

Switch function guide display

The function guide for the touched switch will be displayed.

Displayed content

Operating the meters/displays

B
C
D

B
C

258

5-2. Functions of the displays

■

If the steering wheel switches do not

respond when touched (vehicles with a

head-up display)

●

It is easier to make the steering wheel

switches respond by moving your thumb

while touching them.

●

If the surface of a steering wheel switch is

dirty, turn the power switch off and then

clean the switches.

●

By turning winter glove mode on, the sen-

sitivity of the switch sensors can be

increased. (



P.604)

■

Customization

Some functions can be customized.

(



P.604)

Press

of the meter con-

trol switch.

Press the

meter control

switch to select

. Then press

or .

Select

on the center display.

Select “Vehicle customise”.

Select “Meter”.

Select

of “Display

switching”.

The display changes each time the switch is

selected.

■

Switching with the steering wheel

switches

is set as a favorite

steering wheel switch function, the display
can be switched by pushing

Driving related information is dis-
played on the following displays.



Multi-information display



Head-up display (if equipped)



Center display

The items displayed will differ depend-
ing on the display.

The following items can be displayed
on the multi-information display.
Use the displayed values as a refer-
ence only.



Current electricity consumption

Displays the instantaneous current elec-
tricity consumption.



Average electricity consumption

■

Electricity consumption

●

For United Kingdom

Electricity consumption is the consumption
rate of the electricity and equivalent to the
fuel consumption for the gasoline vehicles.
For this vehicle, driven distance per kWh of

Switching the display of the
multi-information display (vehi-
cles without a head-up display)

Switching driving information (vehi-
cles without a head-up display)

Switching the display of the
multi-information display (vehi-
cles with a head-up display)

Display of drive information

Drive information 1

259

5-2. Functions of the displays

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electricity consumed (“miles/kWh”) is dis-
played as electricity consumption on each
screen.

●

Except for United Kingdom

Electricity consumption is the consumption
rate of the electricity and equivalent to the
fuel consumption for the gasoline vehicles.
For this vehicle, electricity consumed per
100 km (“kWh/100 km”) is displayed as
electricity consumption on each screen.

The following items can be displayed
on the multi-information display.



Average vehicle speed



Total driving time

Average electricity consumption since
starting can be displayed on the
multi-information display.

■

Electricity consumption

●

For United Kingdom

Electricity consumption is the consumption
rate of the electricity and equivalent to the
fuel consumption for the gasoline vehicles.
For this vehicle, driven distance per kWh of
electricity consumed (“miles/kWh”) is dis-
played as electricity consumption on each
screen.

●

Except for United Kingdom

electricity consumption on each screen.

Displays no drive information contents
on the multi-information display.

Electricity consumption information
can be displayed on the center display.

■

Current electricity consumption
screen

Resetting the history data
Electricity consumption in the past
15 minutes
Current electricity consumption
Average vehicle speed since the
EV system was started.
Trip range
Elapsed time since the EV system
was started.

Use the displayed average electricity
consumption as a reference. The
image is an example only, and may vary
slightly from actual conditions.

Drive information 2

Drive information 3 (vehicles
without a head-up display)

Blank (No items)

Current electricity consump-
tion/history screen

A
B

C
D

E
F

260

5-2. Functions of the displays

■

History electricity consumption
screen

Latest electricity consumption
Best recorded electricity consump-
tion
Previous electricity consumption
record
Resetting the history data
Updating the latest electricity con-
sumption data

Use the displayed average electricity
consumption as a reference. The
image is an example only, and may vary
slightly from actual conditions.

■

Updating the history data

Update the latest electricity consumption

by selecting “Update” to measure the cur-

rent electricity consumption again.

■

Resetting the data

The electricity consumption data can be

deleted by selecting “Clear data”.

■

Trip range

Displays the estimated maximum distance

that can be driven with the quantity of elec-

tricity remaining. This distance is computed

based on your average electricity con-

sumption. As a result, the actual distance

that can be driven may differ from that dis-

played.

Select

on the main menu.

Select “Trip information”.

Select “Current” or “History”.

AWD operation status display can be
displayed on the center display.

The illustration used is intended as an
example, and may differ from the
image that is actually displayed on the
center display.
Torque distribution display:
Displays the drive status of each wheel
in 6 steps from 0 to 5.

Select

on the main menu.

Select “All wheel drive”.

A
B

Displaying electricity consump-
tion/history screen on the center
display

AWD operation status display

Displaying AWD operation status
display on the center display

261

5-2. Functions of the displays

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●

It may take a few minutes to display the

tire inflation pressure after the power

switch is turned to ON.

It may also take a few minutes to display the
tire inflation pressure after inflation pres-
sure has been adjusted.

●

“---” may be displayed if the tire position

information cannot be determined due to

unfavorable radio wave conditions.

●

Tire inflation pressure changes with tem-

perature. The displayed values may also

be different from the values measured

using a tire pressure gauge.

Select

on the main menu.

Select “Tyre pressure”.

The operating state of the following
systems can be displayed on the
multi-information display or head-up
display (if equipped).



Dynamic radar cruise control



Cruise control



Speed limiter



LTA (Lane Tracing Assist)



LDA (Lane Departure Alert)



LCA (Lane Change Assist) (if
equipped)



RSA (Road Sign Assist)



PDA (Proactive Driving Assist)



PCS (Pre-Collision System)

■

Display position (vehicles with a

head-up display)

When the display mode of the head-up dis-

play is set to display the maximum, driving

support system information will be dis-

played on the head-up display and not in

the content display area of the multi-infor-

mation display.

Operations such as selecting the audio
source or track, etc. can be performed.

The following information is displayed
on the multi-information display.



Route guidance to destination



Street name



Compass

■

Display position (vehicles with a

head-up display)

Depending on the display settings of the

head-up display, some content may be dis-

played on the head-up display and not in

the content display area of the multi-infor-

mation display.

Tire pressure

The tire pressure detected by the
tire pressure warning system can
be displayed on the center display.
(



P.474)

Displaying the tire pressure on the
center display

Driving support system informa-
tion display

Audio system-linked display

The audio system-linked display dis-
plays the operating state of the
audio system on the multi-informa-
tion display.

Navigation system-linked dis-
play

262

5-2. Functions of the displays

Pop-up displays will be displayed on
the multi-information display or the
head-up display (if equipped) when
necessary.
When a pop-up display is displayed, a
current display may no longer be dis-
played. In this case, the display will
return after the pop-up display disap-
pears.

Displays a warning/suggestion/advice
message or the operating state of a rel-
evant system.



Dynamic radar cruise control



Cruise control



LTA (Lane Tracing Assist)



LDA (Lane Departure Alert)



LCA (Lane Change Assist) (if
equipped)



PDA (Proactive Driving Assist)



PCS (Pre-Collision System)



RSA (Road Sign Assist)



Safe Exit Assist (with door opening
control)



FCTA (Front Cross Traffic Alert) (if
equipped)

Some warning messages are displayed
when necessary, according to certain
conditions.

Displayed when the hands-free system
is operated.

■

Suggestion to enable the power
back door

If the power back door system is disa-
bled (setting on the center display set
to off) and the power back door switch
on the instrument panel is operated, a
suggestion message will be displayed
asking if you wish to enable the power
back door system.
To enable the power back door system,
select “Yes”.
After enabling the power back door
system, press the power back door
switch again to open or close the
power back door.

■

Suggestion to close the power win-
dows (linked to windshield wiper
operation)

If the windshield wipers are operated
with a power window open, a sugges-
tion message will be displayed asking if
you wish to close the power windows.
To close all of the power windows,
select “Yes”.

Pop-up display information

Driving support systems

Warning message

Hands-free system status

Suggestion function

Displays suggestions to the driver in
the following situations. To select a
response to a displayed suggestion,
use the steering switches.

263

5-2. Functions of the displays

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■

Suggestion to close the power win-
dows (Driving at high speeds)

If the vehicle speed exceeds a certain
speed with a power window open, a
suggestion message will be displayed
asking if you wish to close the power
windows.
To close all of the power windows,
select “Yes”.

■

Suggestion message to change to
range mode

When the remaining charge of the
traction battery reaches a certain level,
a message suggesting to change drive
modes to range mode will be dis-
played. (



P.197)

Select “Yes” to change to range mode.

■

Customization

Some functions can be customized.

(



P.603)

■

Vehicles without a head-up display

Displayed when an audio remote con-
trol switch or a talk switch on the steer-
ing wheel is operated.

■

Vehicles with a head-up display

When a steering wheel switch is
touched, the icon of each switch and a
function guide is displayed. (



P.257)

Depending on the situation, route

guidance to destination linked to the
navigation system will be displayed.

The following items will be displayed
on the multi-information display when
the power switch is turned off.



Charging schedule



Average electricity consumption
since starting



Distance driven since starting



Driving time since starting

: It is reset each time the EV system stops.

Steering wheel switch operation
display

Navigation system-linked infor-
mation

Items displayed when the power
switch is turned off

264

5-3. Changing the settings of the displays

5-3.Changing the settings of the displays

Darker

Brighter

The instrument panel brightness levels

when the tail lights are on and off can be

adjusted individually.
However, when the surroundings are bright

(daytime, etc.), turning on the tail lights will

not change the instrument panel brightness.

: If equipped

If any of the following items have been
set as a favorite steering wheel switch
function, settings of the head-up dis-
play can be changed using the steering
wheel switches.



: Display on/off



: Display mode



: Height



: Brightness

Changing the instrument
panel light brightness

The brightness of the instrument
panel lights can be adjusted.

Changing settings for the
head-up display

WARNING

Check that the position and brightness of

the head-up display image does not

interfere with safe driving.

Incorrect adjustment of the image’s posi-
tion or brightness may obstruct the
driver’s view and lead to an accident,
resulting in death or serious injury.

NOTICE

To prevent 12-volt battery discharge,

ensure that the EV system is operating

while the changing the settings of the

head-up display.

Changing settings with the
steering wheel switches

265

5-3. Changing the settings of the displays

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Select

on the center display.

Select “Vehicle customise”.

Select “Head-up display”.

The following settings for the head-up dis-

play can be changed.



Display on/off



Display mode



Height



Brightness



Angle

■

Enabling/disabling of the head-up dis-

play

If the head-up display is disabled, it will

remain disabled when the power switch is

turned off then back to ON.

■

Display brightness

In addition to the brightness setting, the

brightness of the display will change auto-

matically according to the ambient bright-

ness.

■

Head-up display automatic position

adjustment (vehicles with driving posi-

tion memory)

If the display position is recorded into mem-

ory, the head-up display will be automati-

cally adjusted to the desired position.

Changing settings on the center
display

267

Driving support

system

Driving support system

6-1. Features of the safe driving sup-

port functions

Driving assist systems..............

268

Lexus Safety System + software

update.........................................

273

Lexus Safety System + ............

275

Driver monitor............................

283

6-2. Using the safe driving support

functions

Pre-Collision System...............

285

Lane Tracing Assist..................

296

Lane Change Assist..................

301

Lane Departure Alert..............

305

Proactive driving assist............

310

Front Crossing Traffic Alert ..

315

Road Sign Assist.........................

318

Dynamic radar cruise control

.........................................................

321

Cruise Control...........................

336

Speed Limiter .............................

342

Emergency Driving Stop System

........................................................

349

Blind Spot Monitor....................

351

Safe Exit Assist...........................

356

Lexus parking assist-sensor...

361

Rear Crossing Traffic Alert ..

369

RCD (Rear Camera Detection)

........................................................

374

PKSB (Parking Support Brake)

system .........................................

378

Lexus Teammate Advanced Park

.......................................................

387

Automatic Rear Flashing Hazard

Lights............................................

422

Secondary Collision Brake (Rear

Impacts while Stopped) .......

424

EV system output restriction

when the accelerator pedal and
brake pedal are depressed at the
same time...................................

426

Sudden start restraint control

........................................................

427

6-3. Reducing impact to the occu-

pants in a collision

Reducing impact to passengers in

a collision...................................

428

268

6-1. Features of the safe driving support functions

6-1.Features of the safe driving support functions

■

ECB (Electronically Controlled
Brake System)

The electronically controlled system
generates braking force correspond-
ing to the brake operation

■

ABS (Anti-lock Brake System)

Helps to prevent wheel lock when the
brakes are applied suddenly, or if the
brakes are applied while driving on a
slippery road surface

■

Brake assist

Generates an increased level of brak-
ing force after the brake pedal is
depressed when the system detects a
panic stop situation

■

VSC (Vehicle Stability Control)

Helps the driver to control skidding
when swerving suddenly or turning on
slippery road surfaces.

■

VSC+ (Vehicle Stability Control+)

Provides cooperative control of the
ABS, TRC, VSC and EPS.

Helps to maintain directional stability
when swerving on slippery road sur-
faces by controlling steering perfor-
mance.

■

Trailer Sway Control

Helps the driver to control trailer sway
by selectively applying brake pressure
for individual wheels and reducing
driving torque when trailer sway is
detected.

■

TRC (Traction Control)

Helps to maintain drive power and pre-
vent the drive wheels from spinning
when starting the vehicle or accelerat-
ing on slippery roads

■

Active Cornering Assist (ACA)

Helps to prevent the vehicle from drift-
ing to the outer side by performing
inner wheel brake control when
attempting to accelerate while turning

■

Hill-start assist control

Helps to reduce the backward move-
ment of the vehicle when starting on an
uphill

■

EPS (Electric Power Steering)

Employs an electric motor to reduce
the amount of effort needed to turn the
steering wheel

■

DIRECT4 (Electronic
On-Demand AWD system)

Automatically controls the drive torque
distribution between the front and rear
wheels according to various running
conditions including normal driving,
during cornering, on a uphill, when

Driving assist systems

To keep driving safety and perfor-
mance, the following systems oper-
ate automatically in response to
various driving situations. Be aware,
however, that these systems are
supplementary and should not be
relied upon too heavily when oper-
ating the vehicle.

Summary of the driving assist
systems

269

6-1. Features of the safe driving support functions

Driving support

system

starting off, during acceleration, on a
slippery roads due to snow or rain, thus
contributing to stable operability and
driving stability.

■

Emergency brake signal

When the brakes are applied suddenly,
the stop lights automatically flash to
alert the vehicle behind.

■

The Secondary Collision Brake

When the SRS airbag sensor detects a
collision and the system operates, the
brakes and brake lights are automati-
cally controlled to reduce the vehicle
speed and help reduce the possibility
of further damage due to a secondary
collision.

■

When the TRC/VSC/Trailer Sway Con-

trol systems are operating

The slip indicator light will flash while the

TRC/VSC/Trailer Sway Control systems

are operating.

■

Disabling the TRC system

If the vehicle gets stuck in mud, dirt or snow,

the TRC system may reduce power from

the EV system to the wheels. Pressing the

switch to turn the system off may

make it easier for you to rock the vehicle in

order to free it.
To turn the TRC system off, quickly press

and release the

switch.

The “Traction Control Turned OFF” will be
shown on the multi-information display.

Press the

switch again to turn the

system back on.

■

Turning off both TRC, VSC and Trailer

Sway Control systems

To turn the TRC, VSC and Trailer Sway

Control systems off, press and hold the

switch for more than 3 seconds

while the vehicle is stopped.
The VSC OFF indicator light will come on
and the “Traction Control Turned OFF” will
be shown on the multi-information display.

Press the

switch again to turn the

system back on.

: On vehicles with PCS (Pre-Collision

System), PCS will also be disabled (only
Pre-Collision warning is available). The
PCS warning light will come on and a

270

6-1. Features of the safe driving support functions

message will be displayed on the
multi-information display. (



P.506)

■

When the message is displayed on the

multi-information display showing that

TRC has been disabled even if the

switch has not been pressed

TRC is temporary deactivated. If the infor-

mation continues to show, contact any

authorized Lexus retailer or Lexus author-

ized repairer, or any reliable repairer.

■

Operating conditions of hill-start assist

control

When the following four conditions are met,

the hill-start assist control will operate:

●

The shift position is in a position other

than P or N (when starting off for-

ward/backward on an upward incline)

●

The vehicle is stopped

●

The accelerator pedal is not depressed

●

The parking brake is not engaged

●

Power switch is turned to ON

■

Automatic system cancelation of

hill-start assist control

The hill-start assist control will turn off in any

of the following situations:

●

The shift position is shifted to P or N

●

The accelerator pedal is depressed

●

The brake pedal is depressed and the

parking brake is engaged

●

A maximum of 2 seconds have elapsed

after the brake pedal is released

●

Power switch is turned to OFF

■

Sounds and vibrations caused by the

ABS, brake assist, VSC, Trailer Sway

Control, TRC and hill-start assist control

systems

●

A sound may be heard from the motor

compartment when the brake pedal is

depressed repeatedly, when the EV sys-

tem is started or just after the vehicle

begins to move. This sound does not indi-

cate that a malfunction has occurred in

any of these systems.

●

Any of the following conditions may

occur when the above systems are oper-

ating. None of these indicates that a mal-

function has occurred.

• Vibrations may be felt through the vehicle

body and steering.

• A motor sound may be heard also after

the vehicle comes to a stop.

• The brake pedal may pulsate slightly after

the ABS is activated.

• The brake pedal may move down slightly

after the ABS is activated.

■

ECB operating sound

ECB operating sound may be heard in the

following cases, but it does not indicate that

a malfunction has occurred.

●

Operating sound heard from the motor

compartment when the brake pedal is

operated.

●

Operating sound heard from the motor

compartment when one or two minutes

passed after the stop of the EV system.

■

Active Cornering Assist operation

sounds and vibrations

When the Active Cornering Assist is oper-

ated, operation sounds and vibrations may

be generated from the brake system, but

this is not a malfunction.

■

Reduced effectiveness of the EPS sys-

tem

The effectiveness of the EPS system is

reduced to prevent the system from over-

heating when there is frequent steering

input over an extended period of time. The

steering wheel may feel heavy as a result.

Should this occur, refrain from excessive

steering input or stop the vehicle and turn

the EV system off. The EPS system should

return to normal within 10 minutes.

■

Automatic reactivation of TRC, Trailer

Sway Control and VSC systems

After turning the TRC, Trailer Sway Control

and VSC systems off, the systems will be

automatically re-enabled in the following

situations:

●

When the power switch is turned off

271

6-1. Features of the safe driving support functions

Driving support

system

●

If only the TRC system is turned off, the

TRC will turn on when vehicle speed

increases

If both the TRC and VSC systems are

turned off, automatic re-enabling will not

occur when vehicle speed increases.

■

Operating conditions of Active Corner-

ing Assist

The system operates when the following

occurs.

●

TRC/VSC can operate

●

The driver is attempting to accelerate

while turning

●

The system detects that the vehicle is

drifting to the outer side

●

The brake pedal is released

■

Operating conditions of emergency

brake signal

When the following conditions are met, the

emergency brake signal will operates:

●

The emergency flashers are off

●

Actual vehicle speed is over 55 km/h

(35 mph)

●

The system judges from the vehicle

deceleration that it is a sudden braking

operation

■

Automatic system cancelation of emer-

gency brake signal

The emergency brake signal will be

canceled in any of the following situations:

●

The emergency flashers are turned on

●

The system judges from the vehicle

deceleration that it is not a sudden brak-

ing operation

■

Secondary Collision Brake operating

conditions

The system operates when the SRS airbag

sensor detects a collision while the vehicle

is in motion. However, the system does not

operate when the components are dam-

aged.

■

Secondary Collision Brake automatic

cancellation

The system is automatically canceled in any

of the following situations.

●

The vehicle speed drops below approxi-

mately 0 km/h (0 mph)

●

A certain amount of time elapses during

operation

●

The accelerator pedal is depressed a

large amount

WARNING

■

The ABS does not operate effectively

when

●

The limits of tire gripping performance

have been exceeded (such as exces-

sively worn tires on a snow covered

road).

●

The vehicle hydroplanes while driving

at high speed on wet or slick roads.

■

Stopping distance when the ABS is

operating may exceed that of normal

conditions

The ABS is not designed to shorten the

vehicle’s stopping distance. Always main-

tain a safe distance from the vehicle in

front of you, especially in the following

situations:

●

When driving on dirt, gravel or

snow-covered roads

●

When driving with tire chains

●

When driving over bumps in the road

●

When driving over roads with potholes

or uneven surfaces

■

TRC/VSC may not operate effec-

tively when

Directional control and power may not

be achievable while driving on slippery

road surfaces, even if the TRC/VSC sys-

tem is operating. Drive the vehicle care-

fully in conditions where stability and

power may be lost.

272

6-1. Features of the safe driving support functions

WARNING

■

Active Cornering Assist does not

operate effectively when

●

Do not overly rely on Active Corner-

ing Assist. Active Cornering Assist

may not operate effectively when

accelerating down slopes or driving on

slippery road surfaces.

●

When Active Cornering Assist fre-

quently operates, Active Cornering

Assist may temporarily stop operating

to ensure proper operation of the

brakes, TRC and VSC.

■

Hill-start assist control does not oper-

ate effectively when

●

Do not overly rely on hill-start assist

control. Hill-start assist control may

not operate effectively on steep

inclines and roads covered with ice.

●

Unlike the parking brake, hill-start

assist control is not intended to hold

the vehicle stationary for an extended

period of time. Do not attempt to use

hill-start assist control to hold the vehi-

cle on an incline, as doing so may lead

to an accident.

■

When the TRC/VSC/Trailer Sway

Control is activated

The slip indicator light flashes. Always

drive carefully. Reckless driving may

cause an accident. Exercise particular

care when the indicator light flashes.

■

When the TRC/VSC/Trailer Sway

Control systems are turned off

●

Be especially careful and drive at a

speed appropriate to the road condi-

tions. As these are the systems to help

ensure vehicle stability and driving

force, do not turn the TRC/VSC sys-

tems off unless necessary.

●

Trailer Sway Control is part of the VSC

system and will not operate if VSC is

turned off or experiences a malfunc-

tion.

■

Replacing tires

Make sure that all tires are of the speci-

fied size, brand, tread pattern and total

load capacity. In addition, make sure that

the tires are inflated to the recom-

mended tire inflation pressure level.

(



P.594)

The ABS, TRC, Trailer Sway Control and

VSC systems will not function correctly if

different tires are installed on the vehicle.

Contact any authorized Lexus retailer or

Lexus authorized repairer, or any reliable

repairer for further information when

replacing tires or wheels.

■

Handling of tires and the suspension

Using tires with any kind of problem or

modifying the suspension will affect the

driving assist systems, and may cause a

system to malfunction.

■

Trailer Sway Control precaution

The Trailer Sway Control system is not

able to reduce trailer sway in all situa-

tions. Depending on many factors such

as the conditions of the vehicle, trailer,

road surface and driving environment,

the Trailer Sway Control system may not

be effective. Refer to your trailer owner’s

manual for information on how to tow

your trailer properly.

■

If trailer sway occurs

Observe the following precautions.

Failing to do so may cause death or seri-

ous injury.

●

Firmly grip the steering wheel. Steer

straight ahead. Do not try to control

trailer sway by turning the steering

wheel.

273

6-1. Features of the safe driving support functions

Driving support

system

This Owner's Manual contains infor-
mation for Ver. 2. For the latest infor-
mation about the controls, use,
warnings/precautions, etc. of each
function of Lexus Safety System +,
refer to the Digital Owner's Manual at
the Owner's Manual website.
If the software of this system has been
updated after initial purchase of the
vehicle, before using this system, be
sure to read the Owner's Manual
which corresponds to the software ver-
sion of the system.

WARNING

●

Begin releasing the accelerator pedal

immediately but very gradually to

reduce speed.

Do not increase speed. Do not apply

vehicle brakes.

If you make no extreme correction with

the steering or brakes, your vehicle and

trailer should stabilize.

■

Secondary Collision Brake

Do not rely solely upon the Secondary

Collision Brake. This system is designed

to help reduce the possibility of further

damage due to a secondary collision,

however, that effect changes according

to various conditions. Overly relying on

the system may result in death or serious

injury.

■

Handling the rear side radar sensor



P.352

Lexus Safety System + soft-
ware update

It is necessary to enter a connected
services contract, provided by
Lexus, to use these functions. For
details, contact your Lexus dealer.

WARNING

■

For safe use

When the Lexus Safety System + soft-

ware is updated, the operating methods

of functions may change. Using this sys-

tem without knowing the correct operat-

ing methods may lead to an accident

resulting in death or serious injury.

Make sure to read the Digital Owner's

Manual which corresponds to the soft-

ware version of the system, available at

the Owner's Manual website, before

using this system.

Content of the Lexus Safety Sys-
tem + Owner's Manual

274

6-1. Features of the safe driving support functions

■

Precautions for use

●

Be aware that some functions may tem-

porarily be disabled if a legal or safety

related issue occurs.

●

If a connected services contract has not

been entered or has expired, software

updates will not be able to be performed

wirelessly.

If the software of this system has been
updated after initial purchase of the
vehicle, to access the appropriate
Owner’s Manual, it is necessary to
check the software version of the sys-
tem and then visit the Owner's Manual
website.

The current software version can be
checked from the driving assist func-
tion update notification.

Access the following URL using a
computer or smartphone:

https://www.lexus.eu/manual?

parameter=om46035e.rz.2301.bev.vh

Select the file which includes the
previously checked system version.

If a software update is available, a noti-
fication will be displayed on the center
display. Follow the instructions dis-
played on the screen.
When the software is updated, the way
functions are used may change and
functions may be added.
For details about changes or additions,
check the Owner's Manual website.

■

Software update precautions

●

After a software update has been per-

formed, it will not be possible to revert to

a previous version.

●

Depending on the communication envi-

ronment and the content of an update, a

software update may take several hours.

Although an update will be suspended

when the power switch is turned off, it will

resume when the power switch is

changed back to ON.

●

Lexus Safety System + can still be used

while a software update is being per-

formed.

●

In the following situations, a software

update may be performed automatically:

• When a possible system issue or other

safety related issue is corrected

Checking your vehicle’s Lexus
Safety System + version

Checking the current software
version on the center display

Checking your vehicle’s Lexus
Safety System + version

Updating the software

275

6-1. Features of the safe driving support functions

Driving support

system

• When a legal issue is corrected

• When small corrections which do not

affect system operation or performance

are made

: All available updates may be installed

and the software updated to the most
current version.

■

Checking the driving assist function

update notification

The following items can be checked or per-

formed.

●

Software version, update details, precau-

tions, use methods, etc.

●

A link to display the software update his-

tory

●

Software update

Lexus Safety System +

The Lexus Safety System + consists
of the driving assist systems and
contributes to a safe and comforta-
ble driving experience:

WARNING

■

Lexus Safety System +

The Lexus Safety System + operates

under the assumption that the driver will

drive safely, and is designed to help

reduce the impact to the occupants in a

collision and assist the driver under nor-

mal driving conditions.

As there is a limit to the degree of recog-

nition accuracy and control performance

that this system can provide, do not

overly rely on this system. The driver is

solely responsible for paying attention to

the vehicle’s surroundings and driving

safely.

■

For safe use

●

Do not overly rely on this system. The

driver is solely responsible for paying

attention to the vehicle’s surroundings

and driving safely. This system may not

operate in all situations and provided

assistance is limited. Over-reliance on

this system to drive the vehicle safely

may lead to an accident resulting in

death or serious injury.

●

Do not attempt to test the operation of

the system, as it may not operate prop-

erly, possibly leading to an accident.

●

If attention is necessary while perform-

ing driving operations or a system mal-

function occurs, a warning message or

warning buzzer will be operated. If a

warning message is displayed on the

display, follow the instructions dis-

played.

276

6-1. Features of the safe driving support functions



AHS (Adaptive High-beam System)
(if equipped)



P.172



AHB (Automatic High Beam) (if
equipped)



P.175



PCS (Pre-Collision System)



P.285



LTA (Lane Tracing Assist)



P.296



LCA (Lane Change Assist) (if
equipped)



P.301



LDA (Lane Departure Alert)



P.305



PDA (Proactive Driving Assist)



P.310



FCTA (Front Crossing Traffic Alert)
(if equipped)



P.315



RSA (Road Sign Assist)

WARNING

●

Depending on external noise, the vol-

ume of the audio system, etc. it may be

difficult to hear the warning buzzer.

Also, depending on the road condi-

tions, it may be difficult to recognize

the operation of the system.

■

When it is necessary to disable the

system

In the following situations, make sure to

disable the system.

Failure to do so may lead to the system

not operating properly, possibly leading

to an accident resulting in death or seri-

ous injury.

●

When the vehicle is tilted due to being

overloaded or having a flat tire

●

When driving at extremely high

speeds

●

When towing another vehicle

●

When the vehicle is being transported

by a truck, ship, train, etc.

●

When the vehicle is raised on a lift and

the tires are allowed to rotate freely

●

When inspecting the vehicle using a

drum tester such as a chassis

dynamometer or speedometer tester,

or when using an on vehicle wheel bal-

ancer

●

When the vehicle is driven in a sporty

manner or off-road

●

When using an automatic car wash

●

When a sensor is misaligned or

deformed due to a strong impact

being applied to the sensor or the area

around the sensor

●

When accessories which obstruct a

sensor or light are temporarily

installed to the vehicle

●

When a compact spare tire or tire

chains are installed to the vehicle or an

emergency tire puncture repair kit has

been used

●

When the tires are excessively worn or

the inflation pressure of the tires is low

●

When tires other than the manufac-

turer specified size are installed

●

When the vehicle cannot be driven

stably, due to a collision, malfunction,

etc.

Driving assist systems

277

6-1. Features of the safe driving support functions

Driving support

system



P.318



Dynamic radar cruise control



P.321



Cruise control



P.336



Speed limiter



P.342



Emergency Driving Stop System



P.349



Driver monitor



P.283

Various sensors are used to obtain the
necessary information for system
operation.

■

Sensors which detect the sur-
rounding conditions

Front radar sensor
Front camera
Front side radar sensors (if
equipped)

Rear side radar sensors

■

Sensors which detect the driver
condition

Driver monitor camera

Sensors used by Lexus Safety
System +

A
B
C

WARNING

■

To prevent malfunction of the radar

sensors

Observe the following precautions. Fail-

ure to do so may lead to a radar sensor

not operating properly, possibly leading

to an accident resulting in death or seri-

ous injury.

278

6-1. Features of the safe driving support functions

WARNING

●

Keep the radar sensors and radar sen-

sor covers clean at all times.

Clean the front of a radar sensor or the

front or back of a radar sensor cover if it

is dirty or covered with water droplets,

snow, etc.
When cleaning the radar sensor and

radar sensor cover, use a soft cloth to

remove dirt so as to not damage them.

Radar sensor
Radar sensor cover

●

Vehicles with front side radar sensors:

Keep the surrounding area of the front

side radar sensors on the front bumper

clean at all times.

●

Vehicles with front side radar sensors:

For paint repair, etc. of the front

bumper , do not use paint of any colors

other than the official Lexus colors.

The sensors are easily affected by the

paint on the front bumper . If proper

repair with paint is not performed, the

system may not operate with a warning

message displayed. If any paint repair

is needed, contact any authorized

Lexus retailer or Lexus authorized

repairer, or any reliable repairer for

details.

A
B

●

Do not attach accessories, stickers

(including transparent stickers), alumi-

num tape, etc. to a radar sensor or

radar sensor cover and their surround-

ing area.

●

Do not subject a radar sensor or its

surrounding area to impact.

If a radar sensor, the front grille, or front

bumper has been subjected to a impact,

have the vehicle inspected by any

authorized Lexus retailer or Lexus

authorized repairer, or any reliable

repairer.

●

Do not disassemble the radar sensors.

●

Do not modify or paint the radar sen-

sors or radar sensor cover, or replace

them with anything other than Lexus

genuine parts.

●

In the following situations, recalibra-

tion of the radar sensors will be neces-

sary.

Contact any authorized Lexus retailer or

Lexus authorized repairer, or any reliable

repairer for details.
• When a radar sensor is removed and

installed, or replaced

• When the front bumper or the front

grille has been replaced

■

Radar sensor cover with a heater (if

equipped)

When the system determines that snow

may pile up over the radar sensor cover,

the heater will operate automatically. If

the area around the radar sensor cover is

to be touched, such as during cleaning,

make sure that the radar sensor cover is

cool enough to prevent burns.

279

6-1. Features of the safe driving support functions

Driving support

system

WARNING

■

To prevent malfunction of the front

camera

Observe the following precautions. Fail-

ure to do so may lead to the front camera

not operating properly, possibly leading

to an accident resulting in death or seri-

ous injury.

●

Always keep the windshield clean.

• If the windshield is dirty or covered

with an oily film, water droplets, snow,

etc., clean the windshield.

• Even if a glass coating agent is applied

to the windshield, it will still be neces-

sary to use the windshield wipers to

remove water droplets, etc. from the

area of the windshield in front of the

front camera.

• If the inner side of the windshield

where the front camera is installed is

dirty, contact any authorized Lexus

retailer or Lexus authorized repairer,

or any reliable repairer for details.

●

Do not attach stickers (including trans-

parent stickers) or other items to the

area of the windshield in front of the

front camera (shaded area in the illus-

tration).

Approximately 4cm (1.6 in.)
Approximately 4cm (1.6 in.)

●

If the part of the windshield in front of

the front camera is fogged up or cov-

ered with condensation or ice, use the

windshield defogger to remove the

fog, condensation, or ice.

A
B

●

If water droplets cannot be properly

removed from the area of the wind-

shield in front of the front camera by

the windshield wipers, replace the

wiper insert or wiper blade.

●

Do not attach window tint to the wind-

shield.

●

Replace the windshield if it is damaged

or cracked.

If the windshield has been replaced,

recalibration of the front camera will be

necessary.
For details, contact any authorized Lexus

retailer or Lexus authorized repairer, or

any reliable repairer.

●

Do not allow liquids to contact the

front camera.

●

Do not allow bright lights to shine into

the front camera.

●

Do not damage the lens of the front

camera or allow it to become dirty.

When cleaning the inside of the wind-

shield, do not allow glass cleaner to con-

tact the lens of the front camera. Do not

touch the lens of the front camera.
If the lens of the front camera is dirty or

damaged, contact any authorized Lexus

retailer or Lexus authorized repairer, or

any reliable repairer for details.

●

Do not subject the front camera to a

strong impact.

●

Do not change the position or orienta-

tion of the front camera or remove it.

●

Do not disassemble the front camera.

●

Do not modify any parts around the

front camera, such as the inside rear

view mirror or ceiling.

280

6-1. Features of the safe driving support functions

■

Situations in which the sensors may not

operate properly

●

When the height or inclination of the

vehicle has been changed due to modifi-

cations

●

When the windshield is dirty, fogged up,

cracked or damaged

●

When the ambient temperature is high or

low

●

When mud, water, snow, dead insects,

foreign matter, etc., is attached to the

front of the sensor

●

When in inclement weather such as

heavy rain, fog, snow, or a sandstorm

●

When water, snow, dust, etc. is thrown up

in front of the vehicle, or when driving

through mist or smoke

●

When the headlights are not illuminated

while driving in the dark, such as at night

or when in a tunnel

WARNING

●

Do not attach accessories which may

obstruct the front camera to the hood,

front grille, or front bumper.

For details, contact any authorized Lexus

retailer or Lexus authorized repairer, or

any reliable repairer for details.

●

If a surfboard or other long object is to

be mounted on the roof, make sure

that it will not obstruct the front cam-

era.

●

Do not modify or change the head-

lights and other lights.

■

Front camera installation area on the

windshield

If the system determines that the wind-

shield may be fogged up, it will automati-

cally operate the heater to defog the part

of the windshield around the front cam-

era. When cleaning, etc., be careful not

to touch the area around the front cam-

era until the windshield has cooled suffi-

ciently, as touching it may cause burns.

■

Precautions for the driver monitor

camera

Observe the following precautions.

Failure to do so may lead to malfunction

of the driver monitor camera and the sys-

tems not operating properly, possibly

leading to an accident resulting in death

or serious injury.

●

Do not subject the driver monitor

camera or its surrounding area to

strong impact.

If subjected to a strong impact, the driver

monitor camera may move out of align-

ment and the driver may no longer be

detected correctly.

In this case, have the vehicle inspected by

any authorized Lexus retailer or Lexus

authorized repairer, or any reliable

repairer

●

Do not disassemble or modify the

driver monitor camera.

●

Do not attach accessories, stickers

(including transparent stickers), etc. to

the driver monitor camera or its sur-

rounding area.

●

Do not allow the driver monitor cam-

era or its surrounding area to get wet.

●

Do not cover the driver monitor cam-

era or place anything in front of it.

●

Keep the lens of the driver monitor

camera free from damage.

●

Do not touch the lens of the driver

monitor camera or allow it to become

dirty.

When there is dirt or fingerprints on the

camera lens, clean it with a dry, soft cloth

so as to not mark or damage it.

●

When cleaning the lens, do not use

detergents or organic solvents that

may damage plastic.

Lexus RZ (2023 year). Manual in english - page 8