display TOYOTA GR YARIS 2022 Service Manual

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4-2. Driving procedures
Driving
1Sets the parking brake
Fully pull the parking brake while
depressing the brake pedal.
The parking brake indicator light will
come on.
2 Releases the parking brake
Slightly raise the lever and lower it com-
pletely while pressing the button.
The parking brake indicator light will go
off.
■Parking the vehicle
 P. 1 2 6
■Parking brake engaged warning
buzzer
A buzzer will sound if the vehicle is driven with the parking brake engaged.
“Release Parking Brake” is displayed on the multi-information display. (with the vehicle reached a speed of 5 km/h [3
mph])
■Usage in winter time
 P. 2 2 5
Parking brake
Operating instructions
NOTICE
■When parking the vehicle
Before you leave the vehicle, shift the
shift lever to N, set the parking brake and make sure that the vehicle does not move. ( P.126)
■Before driving
Fully release the parking brake.
Driving the vehicle with the parking
brake set will lead to brake compo-
nents overheating, which may affect
braking performance and increase
brake wear.

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4-5. Using the driving support systems
■Certifications for the Toyota Safety Sense
 P. 4 2 3
■If a warning message is displayed on the multi-information display
A system may be temporarily unavailable or there may be a malfu nction in the sys- tem.
●In the following situations, perform the actions specified in t he table. When the nor- mal operating conditions are detected, the message will disappe ar and the system will become operational.
If the message does not disappear, contact any authorized Toyot a retailer or Toyota authorized repairer, or any reliable repairer.
SituationActions
When the area around a camera is cov-
ered with dirt, moisture (fogged up, cov-
ered with condensation, ice, etc.), or
other foreign matter
Using the wiper and A/C function,
remove the dirt and other attached mat-
ter. ( P.229).
When the temperature around the front
camera is outside of the operational
range, such as when the vehicle is in the
sun or in an extremely cold environment
If the front camera is hot, such as after
the vehicle had been parked in the sun,
use the air conditioning system to
decrease the temperature around the
front camera.
If a sunshade was used when the vehicle
was parked, depending on its type, the
sunlight reflected from the surface of the
sunshade may cause the temperature of
the front camera to become excessively
high.
If the front camera is cold, such after the
vehicle is parked in an extremely cold
environment, use the air conditioning
system to increase the temperature
around the front camera.
The area in front of the front camera is
obstructed, such as when the hood is
open or a sticker is attached to the part of
the windshield in front of the front cam-
era.
Close the hood, remove the sticker, etc.,
to clear the obstruction.
When “Pre-Collision System Radar In
Self Calibration Unavailable See
Owner’s Manual” is displayed.
Check whether there is attached materi-
als on the radar sensor and radar sensor
cover, and if there is, remove it.

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4-5. Using the driving support systems
Driving
●In the following situations, if the situation has changed (or the vehicle has been
driven for some time) and the normal operating conditions are d etected, the mes- sage will disappear and the system will become operational.
If the message does not disappear, contact any authorized Toyot a retailer or Toyota authorized repairer, or any reliable repairer.• When the temperature around the radar sensor is outside of the operational range,
such as when the vehicle is in the sun or in an extremely cold environment • When the front camera cannot detect objects in front of the ve hicle, such as when driving in the dark, snow, or fog, or when bright lights are sh ining into the front
camera • Depending on the conditions in the vicinity of the vehicle, th e radar may judge the surrounding environment can not be properly recognized. In that case, “Pre-Colli-
sion System Unavailable See Owner’s Manual” is displayed.

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4-5. Using the driving support systems
Driving
The countries and areas for each region listed in the table are current as of
August 2020. However, depending on when the vehicle was sold, t he coun-
tries and areas of each region may be different. Contact any au thorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer for
details.
■Pre-collision warning
When the system determines that
the possibility of a frontal collision is
high, a buzzer will sound and a
warning message will be displayed
on the multi-information display to
urge the driver to take evasive
action. “BRAKE!”
■Pre-collision brake assist
When the system determines that
RegionsDetectable
objectsFunction availabilityCountries/areas
A
• Vehicles
• Bicyclists
• pedestrians
The pre-collision warn-
ing, pre-collision brake
assist, pre-collision
braking, emergency
steering assist and
intersection right/left
turn assistance are
available
Iceland, Ireland, Albania,
Andorra, United Kingdom, Italy,
Estonia, Austria, Netherlands,
Cyprus, Greece, Croatia,
Gibraltar, Switzerland, Swe-
den, Spain, Slovakia, Slove-
nia, Czech Republic, Denmark,
Germany, Norway, Hungary,
Finland, France, Bulgaria, Bel-
gium, Bosnia and Herzegovina,
Poland, Portugal, Macedonia,
Malta, Monaco, Serbia, Monte-
negro, Latvia, Lithuania, Roma-
nia, Luxembourg, Israel,
Turkey and Canary Islands
BVehicles
The pre-collision warn-
ing, pre-collision brake
assist and pre-collision
braking are available
French Guiana
System functions

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4-5. Using the driving support systems
■Enabling/disabling the pre-col-
lision system
The pre-collision system can be
enabled/disabled on ( P.359)
of the multi-information display.
The system is automatically enabled
each time the engine switch is turned to
ON.
If the system is disabled, the PCS
warning light will turn on and a
message will be displayed on the
multi-information display.
WARNING

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4-5. Using the driving support systems
Driving
“Pre-Collision System OFF”
■Changing the pre-collision
warning timing
The pre-collision warning timing
can be changed on ( P.359) of
the multi-information display.
The warning timing setting is retained
when the engine switch is turned off.
However, if the pre-collision system is
disabled and re-enabled, the operation
timing will return to the default setting
(middle).
For region A: If the pre-collision
warning timing is changed, emer-
gency steering assist timing will
also be changed accordingly.
If late is selected, emergency steer-
ing assist would not operate in case
of an emergency.
1 Early
2 Middle
This is the default setting.
3Late
■Operational conditions for each pre-collision function
The pre-collision system is enabled and the system determines t hat the possibility of a frontal collision with a detected object is high.The system may not operate in the following situations:
• If a battery terminal has been disconnected and reconnected an d then the vehicle has not been driven for a certain amount of time
• If the shift lever is in R
• When the VSC OFF indicator is illuminated (only the pre-collis ion warning function will be operational)
The operation speeds and operation cancellation for each functi on is listed below.

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4-5. Using the driving support systems
Driving
• For region A: While making a right/left
turn, when a pedestrian approaches from behind or side of your vehicle
●For region A: In addition to the above, in some situations, such as the follow-ing, the emergency steering assist
may not operate. • For region A: When the white (yellow) lane lines are difficult to see, such as
when they are faint, diverging/merg- ing, or a shadow is cast upon them• For region A: When the lane is wider
or narrower than normal • For region A: When there is a light and dark pattern on the road surface,
such as due to road repairs • For region A: When a pedestrian is detected near the centerline of the
vehicle • For region A: When the target is too close
• For region A: When there is insuffi- cient safe or unobstructed space for the vehicle to be steered into
• For region A: If oncoming vehicle is present• For region A: If VSC function is oper-
ating
●In some situations such as the follow-
ing, sufficient braking force or steering force (for region A) may not be obtained, preventing the system from
performing properly:
• If the braking functions cannot operate
to their full extent, such as when the brake parts are extremely cold, extremely hot, or wet
• If the vehicle is not properly main- tained (brakes or tires are excessively worn, improper tire inflation pressure,
etc.) • When the vehicle is being driven on a gravel road or other slippery surface
• When the road surface has deep wheel tracks• When driving on a hill road
• When driving on a road that has inclines to the left or right
■If VSC is disabled
●If VSC is disabled ( P.218), the pre- collision brake assist and pre-collision braking functions are also disabled.
●The PCS warning light will turn on and “VSC Turned OFF Pre-Collision Brake
System Unavailable” will be displayed on the multi-information display.

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4-5. Using the driving support systems
Driving
WARNING
●When your vehicle is towing a trailer or during emergency towing
■Preventing LTA system malfunc-tions 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 any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
●Do not install or place anything on
the hood or grille. Also, do not install a grille guard (bull bars, kan-garoo bar, etc.).
●If your windshield needs repairs, contact any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer.
■Conditions in which functions may not operate properly
In the following situations, the func-
tions may not operate properly 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.
●When the follow-up cruising dis- play is displayed ( P.175) and the preceding vehicle changes lanes.
(Your vehicle may follow the pre- ceding vehicle and also change lanes.)
●When the follow-up cruising dis-play is displayed ( P.175) and the
preceding vehicle is swaying. (Your vehicle may sway accordingly and depart from the lane.)
●When the follow-up cruising dis-play is displayed ( P.175) and the
preceding vehicle departs from its lane. (Your vehicle may follow the preceding vehicle and depart from
the lane.)
●When the follow-up cruising dis-
play is displayed ( P.175) and the preceding vehicle is being driven extremely close to the left/right lane
line. (Your vehicle may follow the preceding vehicle and depart from the lane.)
●Vehicle is being driven around a sharp curve.
●Objects or patterns that could be mistaken for white (yellow) lines are
present on the side of the road (guardrails, reflective poles, etc.).

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4-5. Using the driving support systems
Driving
■Turning the lane centering
function ON/OFF
Press the LTA switch.
The lane centering function will change
between ON/OFF each time the switch
is pressed.
The current setting will be displayed on
the multi-information display.
Lane centering function ON
“LTA Steering Assist Active Lane
Centering Active”
Lane centering function OFF
“LTA Steering Assist Active”
■Tu r n i n g t h e LTA s y s t e m O F F
Press and hold the LTA switch
The LTA indicator light turns off when
the LTA is turned OFF.
Press the switch again to turn the sys-
tem on.
The LTA is turned ON each time the
engine switch is turned to ON.
However, the lane centering function
keeps either the ON/OFF state prior to
the engine switch being turned OFF.
LTA indicator
The illumination condition of the indica-
tor 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 func-
tion or lane centering function is operat-
ing.
Flashing in orange: Lane departure
alert function is operating.
LTA system setting
Indications on multi-infor-
mation display

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4-5. Using the driving support systems
Operation display of steering
wheel operation support
Displayed when the multi-information
display is switched to the driving sup-
port system information screen.
Indicates that steering wheel assis-
tance of the steering assist function or
lane centering function is operating.
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 displayed:
Indicates that steering wheel assist of
the steering assist function is operating.
Both outer sides of the lane are flash-
ing: Alerts the driver that their input is
necessary to stay in the center of the
lane (lane centering function).
Follow-up cruising display
Displayed when the multi-information
display is switched to the driving sup-
port system information screen.
Indicates that steering assist of the lane
centering function is operating by moni-
toring the position of a preceding vehi-
cle.
When the follow-up cruising display is
displayed, if the preceding vehicle
moves, your vehicle may move in the
same way. Always pay careful attention
to your surroundings and operate the
steering wheel as necessary to correct
the path of the vehicle and ensure
safety.
Lane departure alert function
display
Displayed when the multi-information
display is switched to the driving sup-
port system information screen.
Inside of displayed lines is white
Indicates that the system is recog-
nizing white (yellow) lines or a
course*. When the vehicle departs
from its lane, the white line dis-
played 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 temporarily can-
celed.
*: Boundary between asphalt and the
side of the road, such as grass, soil,
or a curb
■Operation conditions of each func-
tion
●Lane departure alert function
This function operates when all of the
following conditions are met.