Toyota C-HR (2019 year). Manual - part 16

241

Drivin

Press the LDA switch to turn the
LDA system on.

The  LDA  indicator  illuminates  and
a  message  is  displayed  on  the
multi-information display.
Press the LDA switch again to turn
the LDA system off.
When the LDA system is turned on
or off, operation of the LDA system
continues  in  the  same  condition
the next time the engine is started.

WARNING

■

Preventing LDA system malfunctions and operations performed by
mistake

●

Do not modify the headlights or place stickers, etc., on the surface of the
lights.

●

Do not modify the suspension, etc. If the suspension, etc., needs to be
replaced, contact your Toyota dealer.

●

Do not install or place anything on the hood or grille. Also, do not install a
grille guard (bull bars, kangaroo bar, etc.).

●

If your windshield needs repairs, contact your Toyota dealer.

Turning LDA system on

242

4-5. Using the driving support systems

LDA indicator

The  illumination  condition  of  the
indicator  informs  the  driver  of  the
system operation status.
Illuminated in white:
LDA system is operating.
Illuminated in green:
Steering  wheel  assistance  of  the
steering  control  function  is  operat-
ing.
Flashing in orange:
Lane  departure  alert  function  is
operating.

Operation display of steering
wheel operation support

Indicates that steering wheel assistance of the steering control function is
operating.

Lane departure alert function display

Displayed when the multi-information display is switched to the driving
assist system information screen.

Indications on multi-information display



Inside of displayed white lines
is white



Inside of displayed white lines
is black

Indicates that the system is recog-
nizing  white  (yellow)  lines.  When
the  vehicle  departs  from  its  lane,
the  white  line  displayed  on  the
side  the  vehicle  departs  from
flashes orange.

Indicates that the system is not
able to recognize white (yellow)
lines or is temporarily canceled.

243

4-5. Using the driving support systems

Drivin

■

Operation conditions of each function

●

Lane departure alert function
This function operates when all of the following conditions are met.
• LDA is turned on.
• Vehicle speed is approximately 32 mph (50 km/h) or more.
• System recognizes white (yellow) lines.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• Turn signal lever is not operated.
• Vehicle is driven on a straight road or around a gentle curve with a radius

of more than approximately 492 ft. (150 m).

• No system malfunctions are detected. (

P. 246)

●

Steering control function
This function operates when all of the following conditions are met in addi-
tion to the operation conditions for the lane departure alert function.

• Setting for “

Steering Assist” in

screen of the multi-information

display is set to on. (

P. 493)

• Vehicle is not accelerated or decelerated by a fixed amount or more.
• Steering wheel is not operated with a steering force level suitable for

changing lanes.

• ABS, VSC, TRAC and PCS are not operating.
• TRAC or VSC is not turned off.
• Hands off steering wheel alert is not displayed. (

P. 244)

●

Vehicle sway warning function
This function operates when all of the following conditions are met.

• Setting for “

Alert” in

screen of the multi-information display is

set to on. (

P. 493)

• Vehicle speed is approximately 32 mph (50 km/h) or more.
• Width of traffic lane is approximately 9.8 ft. (3 m) or more.
• No system malfunctions are detected. (

P. 246)

244

4-5. Using the driving support systems

■

Temporary cancellation of functions
When the operation conditions are no longer met, a function may be tempo-
rarily canceled. However, when the operation conditions are met again, oper-
ation of the function is automatically restored. (

P. 243)

■

Steering control function
Depending on the vehicle speed, lane departure situation, road conditions,
etc., the driver may not feel the function is operating or the function may not
operate at all.

■

Lane departure alert function
The warning buzzer may be difficult to hear due to external noise, audio play-
back, etc.

■

Hands off steering wheel alert

If the driver continues to keep their hands off of the steering wheel, a warning
message and the symbol shown in the illustration are displayed on the multi-
information display, and the function is temporarily canceled. This warning
also operates in the same way when the driver continuously operates the
steering wheel only a small amount. Always keep your hands on the steering
wheel when using this system, regardless of warnings.
Depending on the vehicle and road conditions, the warning may not operate.

■

Vehicle sway warning function

Depending on the vehicle and road conditions, the warning may not operate.

■

White (yellow) lines are only on one side of road
The LDA system will not operate for the side on which white (yellow) lines
could not be recognized.

When  the  system  determines  that  the
driver  has  removed  their  hands  from  the
steering  wheel  while  the  steering  control
function is operating, a warning message
urging  the  driver  to  hold  the  steering
wheel and the symbol shown in the illus-
tration are displayed on the multi-informa-
tion display.

When  the  system  determines  that  the
vehicle is swaying while the vehicle sway
warning  function  is  operating,  a  buzzer
sounds  and  a  warning  message  urging
the driver to rest and the symbol shown in
the  illustration  are  simultaneously  dis-
played on the multi-information display.

245

4-5. Using the driving support systems

Drivin

■

Conditions in which functions may not operate properly
In the following situations, the camera sensor may not detect white (yellow)
lines and various functions may not operate normally.

●

There are shadows on the road that run parallel with, or cover, the white
(yellow) lines.

●

The vehicle is driven in an area without white (yellow) lines, such as in front
of a tollgate or checkpoint, or at an intersection, etc.

●

The white (yellow) lines are cracked, “Botts’ dots”, “Raised pavement
marker” or stones are present.

●

The white (yellow) lines cannot be seen or are difficult to see due to sand,
etc.

●

The vehicle is driven on a road surface that is wet due to rain, puddles, etc.

●

The traffic lines are yellow (which may be more difficult to recognize than
lines that are white).

●

The white (yellow) lines cross over a curb, etc.

●

The vehicle is driven on a bright surface, such as concrete.

●

The vehicle is driven on a surface that is bright due to reflected light, etc.

●

The vehicle is driven in an area where the brightness changes suddenly,
such as at the entrances and exits of tunnels, etc.

●

Light from the headlights of an oncoming vehicle, the sun, etc., enters the
camera.

●

The vehicle is driven where the road diverges, merges, etc.

●

The vehicle is driven on a slope.

●

The vehicle is driven on a road which tilts left or right, or a winding road.

●

The vehicle is driven on an unpaved or rough road.

●

The vehicle is driven around a sharp curve.

●

The traffic lane is excessively narrow or wide.

●

The vehicle is extremely tilted due to carrying heavy luggage or having
improper tire pressure.

●

The distance to the preceding vehicle is extremely short.

●

The vehicle is moving up and down a large amount due to road conditions
during driving (poor roads or road seams).

●

The headlight lenses are dirty and emit a faint amount of light at night, or the
beam axis has deviated.

●

The vehicle is struck by a crosswind.

●

The vehicle has just changed lanes or crossed an intersection.

●

Snow tires, etc., are equipped.

246

4-5. Using the driving support systems

■

Warning message
If the following warning message is displayed on the multi-information display
and the LDA indicator illuminates in orange, follow the appropriate trouble-
shooting procedure.

If a different warning message is displayed, follow the instructions displayed
on the screen.

Warning message

Details/Actions

“Lane Departure

Alert

Malfunction.

Visit Your Dealer.”

The system may not be operating properly.

 Have the vehicle inspected at your Toyota

dealer.

“Front Camera

Vision Blocked.

Clean and Demist

Windshield.”

Dirt, rain, condensation, ice, snow, etc., are
present on the windshield in front of the camera
sensor.

 Turn the LDA system off, remove any dirt,

rain, condensation, ice, snow, etc., from the
windshield, and then turn the LDA system
back on.

“Front Camera

Unavailable.”

The operation conditions of the camera sensor
(temperature, etc.) are not met.

 When the operation conditions of the camera

sensor  (temperature,  etc.)  are  met,  the  LDA
system  will  become  available.  Turn  the  LDA
system  off,  wait  for  a  little  while,  and  then
turn the LDA system back on.

“LDA Unavailable.”

The LDA system is temporarily canceled due to
a malfunction in a sensor other than the camera
sensor.

 Turn the LDA system off and follow the

appropriate  troubleshooting  procedures  for
the  warning  message.  Afterward,  drive  the
vehicle  for  a  short  time,  and  then  turn  the
LDA system back on.

“LDA Unavailable
Below Approx. 32

MPH (50km/h).”

The LDA system cannot be used as the vehicle
speed is approximately less than 32 mph (50
km/h).

 Drive the vehicle at approximately 32 mph (50

km/h) or more.

247

4-5. Using the driving support systems

Drivin

■

Customization
The following settings can be changed.

For how to change settings, refer to P. 486.

Function

Setting details

Lane departure alert function

Adjust alert sensitivity

Steering control function

Turn steering wheel assistance on and off

Vehicle sway warning function

Turn function on and off

Adjust alert sensitivity

248

4-5. Using the driving support systems

Dynamic radar cruise controlwith full-speed

range

In vehicle-to-vehicle distance control mode, the vehicle automatically
accelerates, decelerates and stops to match the speed changes of the
preceding vehicle even if the accelerator pedal is not depressed. In
constant speed control mode, the vehicle runs at a fixed speed.
Use the dynamic radar cruise control with full-speed range on free-
ways and highways.
● Vehicle-to-vehicle distance control mode (P. 251)
● Constant speed control mode (P. 258)

Vehicle-to-vehicle

distance

switch
Display
Indicators
Set speed
Cruise control switch

Summary of functions

249

4-5. Using the driving support systems

Drivin

WARNING

■

Before using dynamic radar cruise control with full-speed range
Driving safely is the sole responsibility of the driver. Do not rely solely on the
system,  and  drive  safely  by  always  paying  careful  attention  to  your  sur-
roundings.
The  dynamic  radar  cruise  control  with  full-speed  range  provides  driving
assistance to reduce the driver’s burden. However, there are limitations to
the assistance provided.
Set the speed appropriately depending on the speed limit, traffic flow, road
conditions, weather conditions, etc. The driver is responsible for checking
the set speed.
Even when the system is functioning normally, the condition of the preced-
ing  vehicle  as  detected  by  the  system  may  differ  from  the  condition
observed  by  the  driver.  Therefore,  the  driver  must  always  remain  alert,
assess the danger of each situation and drive safely. Relying on this system
or assuming the system ensures safety while driving can lead to an acci-
dent, resulting in death or serious injury.

■

Cautions regarding the driving assist systems
Observe the following precautions, as there are limitations to the assistance
provided by the system.
Failure to do so may cause an accident resulting in death or serious injury.

●

Assisting the driver to measure following distance
The dynamic radar cruise control with full-speed range is only intended to
help the driver in determining the following distance between the driver’s
own vehicle and a designated vehicle traveling ahead. It is not a mecha-
nism that allows careless or inattentive driving, and it is not a system that
can assist the driver in low-visibility conditions. It is still necessary for
driver to pay close attention to the vehicle’s surroundings.

●

Assisting the driver to judge proper following distance
The dynamic radar cruise control with full-speed range determines
whether the following distance between the driver’s own vehicle and a
designated vehicle traveling ahead is within a set range. It is not capable
of making any other type of judgement. Therefore, it is absolutely neces-
sary for the driver to remain vigilant and to determine whether or not there
is a possibility of danger in any given situation.

●

Assisting the driver to operate the vehicle
The dynamic radar cruise control with full-speed range has limited capabil-
ity to prevent or avoid a collision with a vehicle traveling ahead. Therefore,
if there is ever any danger, the driver must take immediate and direct con-
trol of the vehicle and act appropriately in order to ensure the safety of all
involved.

250

4-5. Using the driving support systems

WARNING

■

To avoid inadvertent dynamic radar cruise control with full-speed
range activation
Switch the dynamic radar cruise control with full-speed range off using the
“ON-OFF” button when not in use.

■

Situations unsuitable for dynamic radar cruise control with full-speed
range
Do not use dynamic radar cruise control with full-speed range in any of the
following situations.
Doing so may result in inappropriate speed control and could cause an acci-
dent resulting in death or serious injury.

●

Roads where there are pedestrians, cyclists, etc.

●

In heavy traffic

●

On roads with sharp bends

●

On winding roads

●

On slippery roads, such as those covered with rain, ice or snow

●

On steep downhills, or where there are sudden changes between sharp up
and down gradients
Vehicle speed may exceed the set speed when driving down a steep hill.

●

At entrances to freeways and highways

●

When weather conditions are bad enough that they may prevent the sen-
sors from detecting correctly (fog, snow, sandstorm, heavy rain, etc.)

●

When there is rain, snow, etc., on the front surface of the radar sensor or
camera sensor

●

In traffic conditions that require frequent repeated acceleration and decel-
eration

●

During emergency towing

●

When an approach warning buzzer is heard often

251

4-5. Using the driving support systems

Drivin

This mode employs a radar sensor to detect the presence of vehicles
up to approximately 328 ft. (100 m) ahead, determines the current
vehicle-to-vehicle following distance, and operates to maintain a suit-
able following distance from the vehicle ahead.

Note that vehicle-to-vehicle distance will close in when traveling on long
downhill slopes.

Driving in vehicle-to-vehicle distance control mode

252

4-5. Using the driving support systems

Example of constant speed cruising
When there are no vehicles ahead

The vehicle travels at the speed set by the driver. The desired vehicle-to-
vehicle distance can also be set by operating the vehicle-to-vehicle dis-
tance switch.

Example of deceleration cruising and follow-up cruising
When a preceding vehicle driving slower than the set speed
appears

When a vehicle is detected running ahead of you, the system automatically
decelerates your vehicle. When a greater reduction in vehicle speed is
necessary, the system applies the brakes (the stop lights will come on at
this time). The system will respond to changes in the speed of the vehicle
ahead in order to maintain the vehicle-to-vehicle distance set by the driver.
Approach warning warns you when the system cannot decelerate suffi-
ciently to prevent your vehicle from closing in on the vehicle ahead.
When the vehicle ahead of you stops, your vehicle will also stop (vehicle is
stopped by system control). After the vehicle ahead starts off, pushing the
cruise control lever up or depressing the accelerator pedal will resume fol-
low-up cruising.

Example of acceleration
When there are no longer any preceding vehicles driving slower
than the set speed

The system accelerates until the set speed is reached. The system then
returns to constant speed cruising.

253

4-5. Using the driving support systems

Drivin

Press the “ON-OFF” button to
activate the cruise control.

Radar  cruise  control  indicator  will
come  on  and  a  message  will  be
displayed  on  the  multi-information
display.
Press  the  button  again  to  deacti-
vate the cruise control.
If  the  “ON-OFF”  button  is  pressed
and held for 1.5 seconds or more,
the  system  turns  on  in  constant
speed control mode. (

P. 258)

Accelerate  or  decelerate,  with
accelerator  pedal  operation,  to
the desired vehicle speed (at or
above  approximately  30  mph
[50  km/h])  and  push  the  lever
down to set the speed.

Cruise  control  “SET”  indicator  will
come on.
The  vehicle  speed  at  the  moment
the  lever  is  released  becomes  the
set speed.
If  the  lever  is  operated  while  the
vehicle  speed  is  below  approxi-
mately  30  mph  (50  km/h)  and  a
preceding  vehicle  is  present,  the
set  speed  will  be  adjusted  to
approximately 30 mph (50 km/h).

Setting the vehicle speed (vehicle-to-vehicle distance control
mode)

254

4-5. Using the driving support systems

To change the set speed, operate the lever until the desired set speed
is displayed.

Increases the speed

(Except when the vehicle has been
stopped by system control in vehi-
cle-to-vehicle

distance

control

mode)

Decreases the speed

Fine  adjustment:  Momentarily
move  the  lever  in  the  desired
direction.
Large  adjustment:  Hold  the  lever  up  or  down  to  change  the  speed,
and release when the desired speed is reached.
In the vehicle-to-vehicle distance control mode, the set speed will be
increased or decreased as follows:

Fine adjustment: By 1 mph (1.6 km/h)

or 1 km/h (0.6 mph)

each time

the lever is operated



For the U.S. mainland, Hawaii

Large adjustment: Increases or decreases in 1 mph (1.6 km/h)

or 1 km/h

(0.6 mph)

increments for as long as the lever is held



For Canada, Guam and Puerto Rico

Large adjustment: Increases or decreases in 5 mph (8 km/h)

or 5 km/h

(3.1 mph)

increments for as long as the lever is held

In the constant speed control mode (

P. 258), the set speed will be

increased or decreased as follows:

Fine adjustment: By 1 mph (1.6 km/h)

or 1 km/h (0.6 mph)

each time

the lever is operated
Large adjustment: The speed will continue to change while the lever is
held.

: When the set speed is shown in “MPH”

: When the set speed is shown in “km/h”

Adjusting the set speed

255

4-5. Using the driving support systems

Drivin

Pressing the switch changes the
vehicle-to-vehicle distance as fol-
lows:

Long
Medium
Short

The  vehicle-to-vehicle  distance  is
set  automatically  to  long  mode
when the engine switch is turned to
the “ON” position (vehicles without
a  smart  key  system)  or  IGNITION
ON  mode  (vehicles  with  a  smart
key system).
If a vehicle is running ahead of you, the preceding vehicle mark will also be
displayed.

Select a distance from the table below. Note that the distances shown
correspond to a vehicle speed of 50 mph (80 km/h). Vehicle-to-vehicle
distance increases/decreases in accordance with vehicle speed.
When the vehicle is stopped by system control, the vehicle stops at a
certain vehicle-to-vehicle distance depending on the situation.

Changing the vehicle-to-vehicle distance (vehicle-to-vehicle dis-
tance control mode)

Preceding vehicle mark

Vehicle-to-vehicle distance settings (vehicle-to-vehicle distance
control mode)

Distance options

Vehicle-to-vehicle distance

Long

Approximately 160 ft. (50 m)

Medium

Approximately 130 ft. (40 m)

Short

Approximately 100 ft. (30 m)

256

4-5. Using the driving support systems

After  the  vehicle  ahead  of  you
starts off, push the lever up.
Your  vehicle  will  also  resume
follow-up  cruising  if  the  accelera-
tor  pedal  is  depressed  after  the
vehicle ahead of you starts off.

Pulling the lever toward you
cancels the speed control.

The speed control is also canceled
when

the

brake

pedal

depressed.
(When the vehicle has been
stopped

system

control,

depressing the brake pedal does
not cancel the setting.)

Pushing the lever up resumes the cruise control and returns vehicle
speed to the set speed.

However, when a vehicle ahead is not detected, cruise control does not
resume when the vehicle speed is approximately 25 mph (40 km/h) or less.

Resuming follow-up cruising when the vehicle has been stopped
by system control (vehicle-to-vehicle distance control mode)

Canceling and resuming the speed control

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