steering wheel TOYOTA GR YARIS 2023 Owner's Manual

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4-2. Driving procedures
4-2.Driving pro cedu res
1Check that the parking brake is
set.
2 Check that the shift lever is in N.
3 Firmly depress the clutch pedal.
and a message will be displayed
on the multi-information display.
If it is not displayed, the engine cannot
be started.
4 Press the engine switch shortly
and firmly.
When operating the engine switch, one
short, firm press is enough. It is not necessary to press and hold the switch.
The engine will crank until it starts or for
up to 30 seconds, whichever is less.
Continue depressing the clutch pedal until the engine is completely started.
The engine can be started from any engine switch mode.
■Engine switch illumination
In the following situations, the engine
switch is illuminated.
●When the driver’s or passenger’s door
is opened.
●When the engine switch is in ACC or
ON.
●When the engine switch mode is
changed from ACC or ON to off.
Also, in the following situation, the engine switch flashes.
●When depressing the clutch pedal while carrying the electronic key.
■If the engine does not start
●The engine immobilizer system may not have been deactivated. ( P. 7 0 )
Contact any authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
●If a message related to start-up is shown on the multi-information dis-
play, read the message and follow the instructions.
■If the battery is discharged
The engine cannot be started using the
smart entry & start system. Refer to P.339 to restart the engine.
■Electronic key battery depletion
 P. 9 8
■Conditions affecting operation
 P. 1 0 8
■Notes for the entry function
 P. 1 0 9
■Steering lock function
●After turning the engine switch off and opening and closing the doors, the
steering wheel will be locked due to the steering lock function. Operating the engine switch again automatically
cancels the steering lock.
●When the steering lock cannot be
released, “Push Engine Switch while Turning Steering Wheel in Either Direction” will be displayed on the
Engine (ignition) switch
Performing the following oper-
ations when carrying the elec-
tronic key on your person
starts the engine or changes
engine switch modes.
Starting the engine

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4-2. Driving procedures
Driving
multi-information display.
Press the engine switch shortly and firmly while turning the steering wheel left and right.
●To prevent the steering lock motor from overheating, operation of the
motor may be suspended if the engine is turned on and off repeatedly in a short period of time. In this case,
refrain from operating the engine switch. After about 10 seconds, the steering lock motor will resume func-
tioning.
■Electronic key battery
 P. 2 9 3
■Operation of the engine switch
●If the switch is not pressed shortly and firmly, the engine switch mode may not change or the engine may not
start.
●If attempting to restart the engine
immediately after turning the engine switch off, the engine may not start in some cases. After turning the engine
switch off, please wait a few seconds before restarting the engine.
■Customization
If the smart entry & start system has
been deactivated in a customized set- ting, refer to P.337.
1 Stop the vehicle completely.
2 Set the parking brake. (P.141)
Check the parking brake indicator is illuminated.
WARNING
■When starting the engine
Always start the engine while sitting in
the driver’s seat. Do not depress the accelerator pedal while starting the engine under any circumstances.
Doing so may cause an accident resulting in death or serious injury.
■Caution while driving
If engine failure occurs while the vehi- cle is moving, do not lock or open the
doors until the vehicle reaches a safe and complete stop. Activation of the steering lock in this circumstance may
lead to an accident, resulting in death or serious injury.
NOTICE
■When starting the engine
●Do not race a cold engine.
●If the engine becomes difficult to start or stalls frequently, have your vehicle checked by any authorized
Toyota retailer or Toyota authorized repairer, or any reliable repairer
immediately.
■Symptoms indicating a malfunc-
tion with the engine switch
If the engine switch seems to be oper- ating somewhat differently than usual,
such as the switch sticking slightly, there may be a malfunction. Contact any authorized Toyota retailer or
Toyota authorized repairer, or any reli- able repairer immediately.
Stopping the engine

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4-5. Using the driving support systems
Driving
WARNING
●Although this system is designed to he l p a vo id a c ol li s io n o r he lp r ed u ce
the impact of the collision, its effec- tiveness may change according to various conditions, therefore the
system may not always be able to achieve the same level of perfor-mance.
Read the following conditions care- fully. Do not overly rely on this sys-tem and always drive carefully.
• Conditions under which the system may operate even if there is no pos-
sibility of a collision: P. 1 6 5
• Conditions under which the system
may not operate properly: P. 1 6 7
●Do not attempt to test the operation
of the pre-collision system yourself. Depending on the objects used for testing (dummies, cardboard
objects imitating detectable objects, etc.), the system may not operate properly, possibly leading to an
accident.
■Pre-collision braking
●When the pre-collision braking function is operating, a large amount of braking force will be
applied.
●If the vehicle is stopped by the
operation of the pre-collision brak- ing function, the pre-collision brak-ing function operation will be
canceled after approximately 2 sec- onds. Depress the brake pedal as necessary.
●The pre-collision braking function may not operate if certain opera-tions are performed by the driver. If
the accelerator pedal is being depressed strongly or the steering wheel is being turned, the system
may determine that the driver is tak- ing evasive action and possibly pre-vent the pre-collision braking
function from operating.
●In some situations, while the pre-
collision braking function is operat- ing, operation of the function may be canceled if the accelerator pedal
is depressed strongly or the steer- ing wheel is turned and the system determines that the driver is taking
evasive action.
●If the brake pedal is being
depressed, the system may deter- mine that the driver is taking eva-sive action and possibly delay the
operation timing of the pre-collision braking function.
■Emergency steering assist (for region A)
●As emergency steering assist oper-
ation will be canceled when the sys- tem determines that lane departure prevention function has been com-
pleted.
●Emergency steering assist may not
operate or may be cancel in the fol- lowing cases as the system may determine the driver is taking
actions.
• If the accelerator pedal is being
depressed strongly, the steering wheel is being operated sharply, the brake pedal is being depressed
or the turn signal lever is being operated. In this case, the system may determine that the driver is tak-
ing evasive action and the emer- gency steering assist may not operate.

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4-5. Using the driving support systems
●Pre-collision warning
●Pre-collision brake assist
●Pre-collision braking
If either of the following occur while the pre-collision brakin g function is operating, it
will be canceled:
• The accelerator pedal is depressed strongly.
• The steering wheel is turned sharply or abruptly.
●Emergency steering assist (for region A)
When the turn signal lights are flashing, emergency steering as sist will not operate in
case of an emergency.
If any of the following occur while the emergency steering assi st function is operat- ing, it will be canceled:
• The accelerator pedal is depressed strongly.
• The steering wheel is turned sharply or abruptly.
Detectable objectsVehicle speedRelative speed between
your vehicle and object
Ve hi cl e sApprox. 10 to 180 km/h (7
to 110 mph)
Approx. 10 to 180 km/h (7
to 110 mph)
For region A: Bicyclists
and pedestrians
Approx. 10 to 80 km/h (7 to
50 mph)
Approx. 10 to 80 km/h (7 to
50 mph)
Detectable objectsVehicle speedRelative speed between
your vehicle and object
Ve hi cl e sApprox. 30 to 180 km/h
(20 to 110 mph)
Approx. 30 to 180 km/h (20
to 110 mph)
For region A: Bicyclists
and pedestrians
Approx. 30 to 80 km/h (20
to 50 mph)
Approx. 30 to 80 km/h (20
to 50 mph)
Detectable objectsVehicle speedRelative speed between
your vehicle and object
Ve hi cl e sApprox. 10 to 180 km/h (7
to 110 mph)
Approx. 10 to 180 km/h (7
to 110 mph)
For region A: Bicyclists
and pedestrians
Approx. 10 to 80 km/h (7 to
50 mph)
Approx. 10 to 80 km/h (7 to
50 mph)
Detectable objectsVehicle speedRelative speed between
your vehicle and object
PedestriansApprox. 40 to 80 km/h (25
to 50 mph)
Approx. 40 to 80 km/h (25
to 50 mph)

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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
*: If equipped
While driving on a road with clear
white (yellow) lane lines, the LTA
system warns the driver if the vehi-
cle may deviate from the current
lane or course*, and also can
slightly operate the steering wheel
to help avoid deviation from the
lane or course*. Also, while the
dynamic radar cruise control is
operating, this system will operate
the steering wheel to maintain the
vehicle’s lane position.
The LTA system recognizes 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
LTA (Lane Tracing
Assist)*
Summary of functions
WARNING
■Before using LTA system
●Do not rely solely upon the LTA sys-
tem. The LTA system does not automatically drive the vehicle 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 attention to the surrounding conditions and operating the steering wheel to cor-
rect 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 driv-
ing operations and pay careful attention may lead to an accident, resulting in death or serious injury.
■Situations unsuitable for LTA system
In the following situations, use the LTA switch to turn the system off. Fail-ure to do so may lead to an accident,
resulting in death or serious injury.
●Vehicle is driven on a road surface
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.
●Vehicle is driven in a temporary lane or restricted lane due to con-
struction work.
●Vehicle is driven in a construction
zone.
●A spare tire, tire chains, etc., are
equipped.
●When the tires have been exces-
sively worn, or when the tire infla- tion pressure is low.

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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
■Lane departure alert function
When the system determines that
the vehicle might depart from its
lane or course*, a warning is dis-
played on the multi-information dis-
play, 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.
Vehicle with BSM: When the system
determines that the vehicle might
depart from its lane and that the possi-
bility of a collision 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 that
the vehicle might depart from its
lane or course*, the system pro-
vides assistance as necessary by
operating the steering wheel in
small amounts for a short period of
time to keep the vehicle in its lane.
Vehicle with BSM: When the system
determines that the vehicle might
depart from its lane and that the possi-
bility of a collision with an overtaking
vehicle in the adjacent lane is high, the
steering assist function will operate
even if the turn signals are operating.
*: Boundary between asphalt and the
side of the road, such as grass, soil,
WARNING
●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 intersection.
●Tires which differ by structure, man-ufacturer, brand or tread pattern are used.
●When tires of a size other than specified are installed.
●Snow tires, etc., are equipped.
●The vehicle is being driven at extremely high speeds.
Functions included in LTA
system

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4-5. Using the driving support systems
or a curb
■Vehicle sway warning function
When the vehicle is swaying within
a lane, the warning buzzer will
sound and a message will be dis-
played on the multi-information dis-
play to alert the driver.
■Lane centering function
This function is linked with dynamic
radar cruise control and provides
the required assistance by operat-
ing the steering wheel to keep the
vehicle in its current lane.
When dynamic radar cruise control is
not operating, the lane centering func-
tion does not operate.
In situations where the white (yellow)
lane lines are difficult to see or are not
visible, such as when in a traffic jam,
this function will operate to help follow a
preceding vehicle by monitoring the
position of the preceding vehicle.

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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