Toyota Corolla (2020 year). Owner's manual

198

4-5. Using the driving support systems

■

Lane departure alert func-
tion

When the system determines

that the vehicle might depart
from its lane or course

, a warn-

ing is displayed on the
multi-information display, and a
warning buzzer will sound to
alert the driver.

When the warning buzzer sounds,
check the area around your vehicle
and carefully operate the steering
wheel to move the vehicle back to
the center of the lane.
Vehicles with a Blind Spot Monitor:
When the system determines that
the vehicle might depart from its
lane and that the possibility of a col-
lision with an overtaking vehicle in
the adjacent lane is high, the lane
departure alert will operate even if
the turn signals are operating.

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

■

Steering assist function

When the system determines

WARNING

●

The vehicle is driven on an

unpaved or rough road.

●

The traffic lane is excessively

narrow or wide.

●

The vehicle is extremely tilted

due to carrying heavy luggage

or having improper tire pres-

sure.

●

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).

●

When driving in a tunnel or at

night with the headlights off or

when a headlight is dim due to

its lens being dirty or it being

misaligned.

●

The vehicle is struck by a cross-

wind.

●

The vehicle is affected by wind

from a vehicle driven in a

nearby lane.

●

The vehicle has just changed

lanes or crossed an intersec-

tion.

●

Tires which differ by structure,

manufacturer, brand or tread

pattern are used.

●

Snow tires, etc. are equipped.

●

The vehicle is being driven at

extremely high speeds.

Functions included in LTA
system

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199

4-5. Using the driving support systems

ing

that the vehicle might depart
from its lane or course

, the sys-

tem provides assistance as nec-
essary by operating the steering
wheel in small amounts for a
short period of time to keep the
vehicle in its lane.

If the system detects that the steer-
ing wheel has not been operated
for a fixed amount of time or the
steering wheel is not being firmly
gripped, a warning is displayed on
the multi-information display and
the function is temporarily can-
celed.
Vehicles with a Blind Spot Monitor:
When the system determines that
the vehicle might depart from its
lane and that the possibility of a col-
lision with an overtaking vehicle in
the adjacent lane is high, the steer-
ing assist function will operate even
if the turn signals are operating.

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

■

Vehicle sway warning func-
tion

When the vehicle is swaying
within a lane, the warning
buzzer will sound and a mes-
sage will be displayed on the
multi-information display to alert
the driver.

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201

4-5. Using the driving support systems

ing

LTA indicator

The illumination condition of the
indicator informs the driver of the
system operation status.
Illuminated in white: LTA system is
operating.
Illuminated in green: Steering wheel
assistance of the steering assist
function or lane centering function
is operating.
Flashing in orange: Lane departure
alert function is operating.

Operation display of steering
wheel operation support

Displayed when the multi-informa-
tion display is switched to the driv-
ing support system information
screen.
Indicates that steering wheel assis-
tance of the steering assist function

or lane centering function is operat-
ing.
Both outer sides of the lane are dis-
played: Indicates that steering
wheel assist of the lane centering
function is operating.
One outer side of the lane is dis-
played: Indicates that steering
wheel assist of the steering assist
function is operating.
Both outer sides of the lane are
flashing: Alerts the driver that their
input is necessary to stay in the
center of the lane (lane centering
function).

Lane departure alert function
display

Displayed when the multi-informa-
tion display is switched to the driv-
ing support system information
screen.



Inside of displayed lines is
white

Indicates that the system is rec-
ognizing white (yellow) lines or a
course

. When the vehicle

departs from its lane, the white
line displayed on the side the
vehicle departs from flashes
orange.

Indications on multi-infor-
mation display

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202

4-5. Using the driving support systems



Inside of displayed lines is
black

Indicates that the system is not
able to recognize white (yellow)
lines or a course

or is temporar-

ily canceled.

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

Follow-up cruising display

Displayed when the multi-informa-
tion display is switched to the driv-
ing support system information
screen.
Indicates that steering assist of the
lane centering function is operating
by monitoring the position of a pre-
ceding vehicle.
When the follow-up cruising display
is displayed, if the preceding vehi-
cle moves, your vehicle may move
in the same way. Always pay care-
ful attention to your surroundings
and operate the steering wheel as
necessary to correct the path of the
vehicle and ensure safety.

■

Operation conditions of each

function

●

Lane departure alert function

This function operates when all of
the following conditions are met.
• LTA is turned on.

• Vehicle speed is approximately 32

mph (50 km/h) or more.

• System recognizes white (yellow)

lane lines or a course

. (When a

white [yellow] line or course

recognized on only one side, the

system will operate only for the

recognized side.)

• Width of traffic lane is approxi-

mately 9.8 ft. (3 m) or more.

• Turn signal lever is not operated.

(Vehicles with a Blind Spot Moni-

tor: Except when another vehicle

is in the lane on the side where

the turn signal was operated)

• Vehicle is not being driven around

a sharp curve.

• No system malfunctions are

detected. (P.204)

:The function operates even if the

vehicle speed is less than
approximately 32 mph (50 km/h)
when the lane centering function
is operating.

:Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

●

Steering assist function

This function operates when all of
the following conditions are met in
addition to the operation conditions
for the lane departure alert function.
• Setting for “Steering Assist” in

of the multi-information display is

set to “ON”. (P.548)

• 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 warning

is not displayed. (P.204)

●

Vehicle sway warning function

This function operates when all of

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203

4-5. Using the driving support systems

ing

the following conditions are met.
• Setting for “Sway Warning” in

of the multi-information display is

set to “ON”. (P.548)

• Vehicle speed is approximately 32

mph (50 km/h) or more.

• Width of traffic lane is approxi-

mately 9.8 ft. (3 m) or more.

• No system malfunctions are

detected. (P.204)

●

Lane centering function

This function operates when all of
the following conditions are met.
• LTA is turned on.

• Setting for “Steering Assist” and

“Lane Center” in

of the

multi-information display are set to

“ON”. (P.548)

• This function recognizes white

(yellow) lane lines or the position

of a preceding vehicle (except

when the preceding vehicle is

small, such as a motorcycle).

• The dynamic radar cruise control

with full-speed range is operating

in vehicle-to-vehicle distance con-

trol mode.

• Width of traffic lane is approxi-

mately 10 to 13 ft. (3 to 4 m).

• Turn signal lever is not operated.

• Vehicle is not being driven around

a sharp curve.

• No system malfunctions are

detected. (P.204)

• Vehicle does not accelerate or

decelerate 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 warning

is not displayed. (P.204)

• The vehicle is being driven in the

center of a lane.

• Steering assist function is not

operating.

■

Temporary cancelation of func-

tions

●

When operation conditions are no

longer met, a function may be

temporarily canceled. However,

when the operation conditions are

met again, operation of the func-

tion is automatically restored.

(P.202)

●

If the operation conditions

(P.200) are no longer met while

the lane centering function is

operating, the buzzer may sound

to indicate that the function has

been temporarily canceled.

■

Steering assist function/lane

centering function

●

Depending on the vehicle speed,

lane departure situation, road con-

ditions, etc., the driver may not

feel the function is operating or

the function may not operate at

all.

●

The steering control of the func-

tion is overridden by the driver’s

steering wheel operation.

●

Do not attempt to test the opera-

tion of the steering assist function.

■

Lane departure alert function

●

The warning buzzer may be diffi-

cult to hear due to external noise,

audio playback, etc.

●

If the edge of the course

is not

clear or straight, the lane depar-

ture alert function may not oper-

ate.

●

Vehicles with a Blind Spot Monitor:

It may not be possible for the sys-

tem to determine if there is a dan-

ger of a collision with a vehicle in

an adjacent lane.

●

Do not attempt to test the opera-

tion of the lane departure alert

function.

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

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204

4-5. Using the driving support systems

■

Hands off steering wheel warn-

ing

In the following situations, a warning

message urging the driver to hold

the steering wheel and the symbol

shown in the illustration are dis-

played on the multi-information dis-

play to warn the driver. The warning

stops when the system determines

that the driver holds the steering

wheel. Always keep your hands on

the steering wheel when using this

system, regardless of warnings.

●

When the system determines that

the driver is driving without hold-

ing the steering wheel while the

system is operating

If the driver continues to keep their

hands off of the steering wheel, the

buzzer sounds, the driver is warned

and the function is temporarily can-

celed. This warning also operates in

the same way when the driver con-

tinuously operates the steering

wheel only a small amount.

●

When the system determines that

the vehicle may not turn and

instead depart from its lane while

driving around a curve

Depending on the vehicle condition

and road conditions, the warning

may not operate. Also, if the system

determines that the vehicle is driv-

ing around a curve, warnings will

occur earlier than during

straight-lane driving.

●

When the system determines that

the driver is driving without hold-

ing the steering wheel while the

steering wheel assist of the steer-

ing assist function is operating.

If the driver continues to keep their

hands off of the steering wheel and

the steering wheel assist is operat-

ing, the buzzer sounds and the

driver is warned. Each time the

buzzer sounds, the continuing time

of the buzzer becomes longer.

■

Vehicle sway warning function

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 dis-

play.
Depending on the vehicle and road

conditions, the warning may not

operate.

■

Warning message

If the following warning message is

displayed on the multi-information

display and the LTA indicator illumi-

nates in orange, follow the appropri-

ate troubleshooting procedure. Also,

if a different warning message is

displayed, follow the instructions

displayed on the screen.

●

“LTA Malfunction Visit Your

Dealer”

The system may not be operating

properly. Have the vehicle inspected

by your Toyota dealer.

●

“LTA Unavailable”

The system is temporarily canceled

due to a malfunction in a sensor

other than the front camera. Turn

the LTA system off, wait for a little

while, and then turn the LTA system

back on.

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205

4-5. Using the driving support systems

ing

●

“LTA Unavailable at Current

Speed”

The function cannot be used as the

vehicle speed exceeds the LTA

operation range. Drive slower.

■

If a battery terminal has been

disconnected and reconnected

The system needs to be initialized.

To initialize the system, drive the

vehicle straight ahead for 5 seconds

or more at a speed of approximately

22 mph (35 km/h) or more.

■

Customization

Function settings can be changed.

(P.548)

: If equipped

LDA (Lane Departure

Alert with steering

control)

When driving on highways
and freeways with white
(yellow) lane lines, this
function alerts the driver
when the vehicle might
depart from its lane or
course

and provides assis-

tance by operating the
steering wheel to keep the
vehicle in its lane or
course

The LDA system recog-
nizes white (yellow) lane
lines or a course

using the

front camera. Additionally, it
detects preceding vehicles
using the front camera and
radar.

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

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206

4-5. Using the driving support systems

WARNING

■

Before using LDA system

●

Do not rely solely upon the LDA

system. The LDA system does

not automatically drive the vehi-

cle or reduce the amount of

attention that must be paid to

the area in front of the vehicle.

The driver must always assume

full responsibility for driving

safely by paying careful atten-

tion to the surrounding condi-

tions and operating the steering

wheel to correct the path of the

vehicle. Also, the driver must

take adequate breaks when

fatigued, such as from driving

for a long period of time.

●

Failure to perform appropriate

driving operations and pay care-

ful attention may lead to an

accident, resulting in death or

serious injury.

●

When not using the LDA sys-

tem, use the LDA switch to turn

the system off.

■

Situations unsuitable for LDA

system

In the following situations, use the

LDA switch to turn the system off.

Failure to do so may lead to an

accident, resulting in death or

serious injury.

●

Vehicle is driven on a road sur-

face which is slippery due to

rainy weather, fallen snow,

freezing, etc.

●

Vehicle is driven on a snow-cov-

ered road.

●

White (yellow) lines are difficult

to see due to rain, snow, fog,

dust, etc.

●

A spare tire, tire chains, etc. are

equipped.

●

When the tires have been

excessively worn, or when the

tire inflation pressure is low.

●

When tires of a size other than

specified are installed.

●

Vehicle is driven in traffic lanes

other than that highways and

freeways.

●

During emergency towing.

■

Preventing LDA system mal-

functions and operations per-

formed by mistake

●

Do not modify the headlights or

place stickers, etc. on the sur-

face 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.

■

Conditions in which functions

may not operate properly

In the following situations, the

functions may not operate prop-

erly and the vehicle may depart

from its lane. Drive safely by

always paying careful attention to

your surroundings and operate

the steering wheel to correct the

path of the vehicle without relying

solely on the functions.

●

Vehicle is being driven around a

sharp curve.

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207

4-5. Using the driving support systems

ing

WARNING

●

Objects or patterns that could

be mistaken for white (yellow)

lines are present on the side of

the road (guardrails, reflective

poles, etc.).

●

Vehicle is driven where the road

diverges, merges, etc.

●

Repair marks of asphalt, white

(yellow) lines, etc. are present

due to road repair.

●

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 intersec-

tion, 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.

●

If the edge of the road is not

clear or straight.

●

The vehicle is driven on a sur-

face 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 on a slope.

●

The vehicle is driven on a road

which tilts left or right, or a wind-

ing road.

●

The vehicle is driven on an

unpaved or rough road.

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208

4-5. Using the driving support systems

■

Lane departure alert func-
tion

When the system determines
that the vehicle might depart
from its lane or course

, a warn-

ing is displayed on the
multi-information display, and a
warning buzzer will sound to
alert the driver.

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

■

Steering assist function

When the system determines
that the vehicle might depart
from its lane or course

, the sys-

tem provides assistance as nec-
essary by operating the steering
wheel in small amounts for a
short period of time to keep the

WARNING

●

The traffic lane is excessively

narrow or wide.

●

The vehicle is extremely tilted

due to carrying heavy luggage

or having improper tire pres-

sure.

●

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).

●

When driving in a tunnel or at

night with the headlights off or

when a headlight is dim due to

its lens being dirty or it being

misaligned.

●

The vehicle is struck by a cross-

wind.

●

The vehicle has just changed

lanes or crossed an intersec-

tion.

●

Tires which differ by structure,

manufacturer, brand or tread

pattern are used.

●

Snow tires, etc. are equipped.

Functions included in
LDA system

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209

4-5. Using the driving support systems

ing

vehicle in its lane.

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

■

Vehicle sway warning func-
tion

When the vehicle is swaying
within a lane, the warning

buzzer will sound and a mes-
sage will be displayed on the
multi-information display to alert
the driver.

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.

Turning LDA system on

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210

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 assist
function is operating.
Flashing in orange: Lane departure
alert function is operating.

Operation display of steering
wheel operation support

Displayed when the multi-informa-
tion display is switched to the driv-
ing support system information
screen.
Indicates that steering wheel assis-
tance of the steering assist function
is operating.

Lane departure alert function
display

Displayed when the multi-informa-
tion display is switched to the driv-
ing support system information
screen.



Inside of displayed lines is
white

Indicates that the system is rec-
ognizing white (yellow) lines or a
course

. When the vehicle

departs from its lane, the white
line displayed on the side the
vehicle departs from flashes
orange.



Inside of displayed lines is
black

Indicates that the system is not
able to recognize white (yellow)
lines or a course

or is temporar-

ily canceled.

Indications on multi-infor-
mation display

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211

4-5. Using the driving support systems

ing

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

■

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)

lane lines or a course

. (When a

white [yellow] line or course

recognized on only one side, the

system will operate only for the

recognized side.)

• Width of traffic lane is approxi-

mately 9.8 ft. (3 m) or more.

• Turn signal lever is not operated.

(Vehicles with a Blind Spot Moni-

tor: Except when another vehicle

is in the lane on the side where

the turn signal was operated)

• Vehicle is not being driven around

a sharp curve.

• No system malfunctions are

detected. (P.212)

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

●

Steering assist function

This function operates when all of
the following conditions are met in
addition to the operation conditions
for the lane departure alert function.
• Setting for “Steering Assist” in

of the multi-information display is

set to “ON”. (P.548)

• 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 warning

is not displayed. (P.212)

●

Vehicle sway warning function

This function operates when all of
the following conditions are met.
• Setting for “Sway Warning” in

of the multi-information display is

set to “ON”. (P.548)

• Vehicle speed is approximately 32

mph (50 km/h) or more.

• Width of traffic lane is approxi-

mately 9.8 ft. (3 m) or more.

• No system malfunctions are

detected. (P.212)

■

Temporary cancelation of func-

tions

When operation conditions are no

longer met, a function may be tem-

porarily canceled. However, when

the operation conditions are met

again, operation of the function is

automatically restored. (P.211)

■

Steering assist function

●

Depending on the vehicle speed,

lane departure situation, road con-

ditions, etc., the driver may not

feel the function is operating or

the function may not operate at

all.

●

The steering control of the func-

tion is overridden by the driver’s

steering wheel operation.

●

Do not attempt to test the opera-

tion of the steering assist function.

■

Lane departure alert function

●

The warning buzzer may be diffi-

cult to hear due to external noise,

audio playback, etc.

●

If the edge of the course

is not

clear or straight, the lane depar-

ture alert function may not oper-

ate.

●

Vehicles with a Blind Spot Monitor:

It may not be possible for the sys-

tem to determine if there is a dan-

ger of a collision with a vehicle in

an adjacent lane.

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212

4-5. Using the driving support systems

●

Do not attempt to test the opera-

tion of the lane departure alert

function.

: Boundary between asphalt and

the side of the road, such as
grass, soil, or a curb

■

Hands off steering wheel warn-

ing

In the following situations, a warning

message urging the driver to hold

the steering wheel and the symbol

shown in the illustration are dis-

played on the multi-information dis-

play to warn the driver. The warning

stops when the system determines

that the driver holds the steering

wheel. Always keep your hands on

the steering wheel when using this

system, regardless of warnings.

●

When the system determines that

the driver is driving without hold-

ing the steering wheel while the

system is operating

If the driver continues to keep their

hands off of the steering wheel, the

buzzer sounds, the driver is warned

and the function is temporarily can-

celed. This warning also operates in

the same way when the driver con-

tinuously operates the steering

wheel only a small amount.

●

When the system determines that

the vehicle may not turn and

instead depart from its lane while

driving around a curve

Depending on the vehicle condition

and road conditions, the warning

may not operate. Also, if the system

determines that the vehicle is driv-

ing around a curve, warnings will

occur earlier than during

straight-lane driving.

●

When the system determines that

the driver is driving without hold-

ing the steering wheel while the

steering wheel assist of the steer-

ing assist function is operating.

If the driver continues to keep their

hands off of the steering wheel and

the steering wheel assist is operat-

ing, the buzzer sounds and the

driver is warned. Each time the

buzzer sounds, the continuing time

of the buzzer becomes longer.

■

Vehicle sway warning function

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 dis-

play.
Depending on the vehicle and road

conditions, the warning may not

operate.

■

Warning message

If the following warning message is

displayed on the multi-information

display and the LDA indicator illumi-

nates in orange, follow the appropri-

ate troubleshooting procedure. Also,

if a different warning message is

displayed, follow the instructions

displayed on the screen.

●

“LDA Malfunction Visit Your

Dealer”

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213

4-5. Using the driving support systems

ing

The system may not be operating

properly. Have the vehicle inspected

by your Toyota dealer.

●

“LDA Unavailable”

The system is temporarily canceled

due to a malfunction in a sensor

other than the front camera. Turn

the LDA system off, wait for a little

while, and then turn the LDA system

back on.

●

“LDA Unavailable at Current

Speed”

The function cannot be used as the

vehicle speed exceeds the LDA

operation range. Drive slower.

●

“LDA Unavailable Below Approx.

32MPH”

The LDA system cannot be used as

the vehicle speed is less than

approximately 32 mph (50 km/h).

Drive the vehicle at approximately

32 mph (50 km/h) or more.

■

If a battery terminal has been

disconnected and reconnected

The system needs to be initialized.

To initialize the system, drive the

vehicle straight ahead for 5 seconds

or more at a speed of approximately

22 mph (35 km/h) or more.

■

Customization

Function settings can be changed.

(P.548)

: If equipped

■

Meter display

Multi-information display

Dynamic radar cruise

control with full-speed

range

In vehicle-to-vehicle dis-
tance control mode, the
vehicle automatically accel-
erates, decelerates and
stops to match the speed
changes of the preceding
vehicle even if the accelera-
tor 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.216)



Constant speed control
mode (P.220)

System Components

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Toyota Corolla (2020 year). Owner's manual - part 13