lights TOYOTA GR YARIS 2021 Workshop Manual

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6-4. Do-it-yourself maintenance
Maintenance and care
or left fitting portion.
Push the lens into place.
After installation, confirm that the lens is
properly installed by gently pulling it.
Fitting portion
WARNING
■Replacing light bulbs
●Turn off the lights. Do not attempt to replace the bulb immediately after turning off the lights. The bulbs
become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with bare hands. When it is unavoidable to hold the
glass portion, use and hold with a clean dry cloth to avoid getting moisture and oils on the bulb. Also,
if the bulb is scratched or dropped, it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failure to do so may result in heat damage,
fire, or water entering the light unit. This may damage the lights or cause condensation to build up on
the lens.
■To prevent damage or fire
Make sure bulbs are fully seated and locked.

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7-1. Essential information
7-1.Essential information
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch once
again.
■Emergency flashers
●If the emergency flashers are used for a long time while the engine is not
operating, the battery may discharge.
●If any of the SRS airbags deploy
(inflate) or in the event of a strong rear impact, the emergency flashers will turn on automatically.
The emergency flashers will turn off automatically after operating for approximately 20 minutes. To manu-
ally turn the emergency flashers off, press the switch twice.(The emergency flashers may not turn
on automatically depending on the force of the impact and conditions of the collision.)
1 Steadily step on the brake pedal
with both feet and firmly depress
it.
Do not pump the brake pedal repeat- edly as this will increase the effort required to slow the vehicle.
2 Shift the shift lever to N.
If the shift lever is shifted to N
3 After slowing down, stop the
vehicle in a safe place by the
road.
4 Stop the engine.
If the shift lever cannot be shifted
to N
3 Keep depressing the brake
pedal with both feet to reduce
vehicle speed as much as possi-
ble.
4 To stop the engine, press and
hold the engine switch for 2 con-
secutive seconds or more, or
Emergency flashers
The emergency flashers are
used to warn other drivers
when the vehicle has to be
stopped on the road due to a
breakdown, etc.
Operating instructions
If your vehicle has to be
stopped in an emer-
gency
Only in an emergency, such as
if it becomes impossible to
stop the vehicle in the normal
way, stop the vehicle using the
following procedure:
Stopping the vehicle

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7-2. Steps to take in an emergency
When trouble arises
■Brake system warning light (warning buzzer)
■High coolant temperature warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
■Charging system warning light*
*: This light illuminates on the multi-information display.
If a warning light turns on or a warning buzzer sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then goes
off, this does not necessarily indicate a malfunction in the system.
However, if this continues to occur, have the vehicle inspected by
any authorized Toyota retailer or Toyota authorized repairer, or any
reliable repairer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
Indicates that:
z The brake fluid level is low; or
z The brake system is malfunctioning
→ Immediately stop the vehicle in a safe place and contact
any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer. Continuing to drive the
vehicle may be dangerous.
Warning lightDetails/Actions
Indicates that the engine coolant temperature is excessively high
→ Immediately stop the vehicle in a safe place.
Handling method ( →P.346)
Warning lightDetails/Actions
Indicates a malfunction in the vehicle’s charging system
→ Immediately stop the vehicle in a safe place and contact
any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.

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7-2. Steps to take in an emergency
■Driver’s and front passenger’s seat belt reminder light (warning
buzzer*)
*: Driver’s and front passenger’s seat belt warning buzzer:
The driver’s and front passenger’s seat belt warning buzzer sounds to alert the
driver and front passenger that his or her seat belt is not fastened. If the seat belt is
unfastened, the buzzer sounds intermittently for a certain period of time after the
vehicle reaches a certain speed.
■Rear passengers’ seat belt reminder lights*1 (warning buzzer*2)
*1: This light illuminates on the multi-information display.
*2: Rear passengers’ seat belt warning buzzer:
The rear passengers’ seat belt warning bu zzer sounds to alert the rear passenger
that his or her seat belt is not fastened. If the seat belt is unfastened, the buzzer
sounds intermittently for a certain period of time after the vehicle reaches a certain
speed.
Warning lightDetails/Actions
Warns the driver and/or front passenger to fasten their seat belts
→ Fasten the seat belt.
If the front passenger’s seat is occupied, the front passen-
ger’s seat belt also needs to be fastened to make the warn-
ing light (warning buzzer) turn off.
Warning lightDetails/Actions
Warns the rear passengers to fasten their seat belts
→ Fasten the seat belt.

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7-2. Steps to take in an emergency
ble.
■Electric power steering system
warning light (warning buzzer)
When the battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering sys- tem warning light may come on and the warning buzzer may sound.
■When the tire pressure warning
light comes on
Inspect the tires to check if a tire is punctured.
If a tire is punctured: →P. 3 2 5
If none of the tires are punctured: Turn the engine switch off then turn it to
ON. Check if the tire pressure warning light comes on or blinks.
If the tire pressure warning light blinks
for approximately 1 minute then stays on
There may be a malfunction in the tire
pressure warning system. Have the vehicle inspected by any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer immedi- ately.
If the tire pressure warning light
comes on
1 After the temperature of the tires has lowered sufficiently, check the infla-tion pressure of each tire and adjust
them to the specified level.
2 If the warning light does not turn off even after several minutes have elapsed, check that the inflation
pressure of each tire is at the speci- fied level and perform initialization. ( →P.282)
■The tire pressure warning light may
come on due to natural causes
The tire pressure warning light may come on due to natural causes such as
natural air leaks and tire inflation pres- sure changes caused by temperature. In this case, adjusting the tire inflation
pressure will turn off the warning light (after a few minutes).
■Conditions that the tire pressure
warning system may not function properly
→ P. 2 8 0
WARNING
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place
immediately and contact any autho- rized Toyota retailer or Toyota autho-rized repairer, or any reliable repairer.
The vehicle will become extremely unstable during braking, and the ABS system may fail, which could cause
an accident resulting in death or seri- ous injury.
■When the electric power steer-ing system warning light comes on
When the light comes on yellow, the assist to the power steering is restricted. When the light comes on
red, the assist to the power steering is lost and handling operations of the steering wheel become extremely
heavy. When steering wheel operations are heavier than usual, grip the steering
wheel firmly and operate it using more force than usual.
■If the tire pressure warning light comes on
Be sure to observe the following pre-
cautions. Failure to do so could cause a loss of vehicle control and result in death or
serious injury.
●Stop your vehicle in a safe place as
soon as possible. Adjust the tire inflation pressure immediately.
●Avoid abrupt maneuvering and braking.If the vehicle tires deteriorate, you
could lose control of the steering wheel or the brakes.

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7-2. Steps to take in an emergency
When trouble arises
One of the following may be the
cause of the problem:
z There may not be sufficient fuel
in the vehicle’s tank. Refuel the
vehicle.
z The engine may be flooded. Try
to restart the engine again fol-
lowing correct starting proce-
dures. ( →P.136)
z There may be a malfunction in
the engine immobilizer system.
( →P. 7 2 )
One of the following may be the
cause of the problem:
z The battery may be discharged.
( →P.341)
z The battery terminal connec-
tions may be loose or corroded.
( →P.275)
The engine starting system may be
malfunctioning due to an electrical
problem such as electronic key bat-
tery depletion or a blown fuse.
However, an interim measure is
available to start the engine.
( →P.337)
One of the following may be the
cause of the problem:
z The battery may be discharged.
( →P.341)
z One or both of the battery termi-
nals may be disconnected.
( →P.275)
z There may be a malfunction in
the steering lock system.
Contact any authorized Toyota retailer
or Toyota authorized repairer, or any
reliable repairer if the problem cannot
be repaired, or if repair procedures are
unknown.
When the engine does not start, the
following steps can be used as an
If the engine will not
start
If the engine will not start even
though correct starting proce-
dures are being followed
( →P.136), consider each of the
following points:
The engine will not start
even though the starter
motor operates normally.
The starter motor turns over
slowly, the interior lights
and headlights are dim, or
the horn does not sound or
sounds at a low volume.
The starter motor does not
turn over
The starter motor does not
turn over, the interior lights
and headlights do not turn
on, or the horn does not
sound.
Emergency start function

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7-2. Steps to take in an emergency
vehicle and connect the clamp at the other end of the negative cable to
.
Positive (+) battery terminal (your vehicle)
Positive (+) battery terminal (second vehicle)
Negative (-) battery terminal (second vehicle)
Solid, stationary, unpainted metallic point away from the battery and any
moving parts as shown in the illustration
5 Start the engine of the second
vehicle. Increase the engine
speed slightly and maintain at
that level for approximately 5
minutes to recharge the battery
of your vehicle.
6 Open and close any of the doors
of your vehicle with the engine
switch OFF.
7 Maintain the engine speed of
the second vehicle and start the
engine of your vehicle by turning
the engine switch to ON.
8 Once the vehicle’s engine has
started, remove the jumper
cables in the exact reverse
order from which they were con-
nected.
Once the engine starts, have the
vehicle inspected at any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reliable
repairer as soon as possible.
■Starting the engine when the bat- tery is discharged
The engine cannot be started by push-
starting.
■To prevent battery discharge
●Turn off the headlights and the audio
system while the engine is stopped.
●Turn off any unnecessary electrical
components when the vehicle is run-

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8-1. Specifications
Ignition system (spark plug)
MakeDILKAR8U7G
Gap0.7 mm (0.027 in.)
NOTICE
■Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
Electrical system (battery)
Open voltage at 20°C (68°F):
12.3 V or higher
If the specific voltage is lower than the standard
value, charge the battery.
(Voltage is checked 20 minutes after the engine
and all lights are turned off.)
Charging rates5 A max.
Manual transmission
Gear oil capacity (Reference)
Vehicles with a LSD
2.0 L (2.1 qt., 1.7 Imp. qt.)
Vehicles without a LSD
2.1 L (2.2 qt., 1.8 Imp. qt.)
Gear oil type“TOYOTA Genuine Manual Transmission Gear
Oil LV GL-4 75W” or equivalent
NOTICE
■Manual transmission gear oil type
●Please be aware that depending on the particular characteristics of the gear oil
used or the operating conditions, idle sound, shift feeling and/or fuel efficiency may be different or affected and, in the worst case, damage to the vehicle’s transmission.
Toyota recommends to use “TOYOTA Genuine Manual Transmission Gear Oil LV GL-4 75W” to achieve optimal performance.

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8-2. Customization
Vehicle specifications
■Automatic light control system (→P.144)
■Lights (→P.145)
■PCS (Pre-Collision System)* (→P.160)
*: If equipped
■LTA (Lane Tracing Assist)* (→P.172)
*: If equipped
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2O—O
Extended Headlight Light-
ing (Time elapsed before
headlights automatically
turn off)
30 seconds
60 seconds
——O90 seconds
120 seconds
FunctionDefault settingCustomized setting
Welcome lampOnOff——O
FunctionDefault settingCustomized setting
PCS (Pre-Collision Sys-
tem)OnOff—O—
Adjust alert timingMiddleEarly—O—Late
FunctionDefault settingCustomized setting
Lane centering functionOnOff—O—
Alert sensitivityHighStandard—O—
Vehicle sway warning func-
tionOnOff—O—
Vehicle sway warning sen-
sitivityStandardHigh—O—Low

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8-2. Customization
■Illumination (→P.237)
*: If equipped
■Vehicle customization
When the smart entry & start system is
off, Smart door unlocking cannot be cus-
tomized.
■In the following situations, custom-
ize mode in which the settings can
be changed through the multi-infor-
mation display will automatically
be turned off
●A warning message appears after the
customize mode screen is displayed
●The engine switch is turned off.
●The vehicle begins to move while the
customize mode screen is displayed.
FunctionDefault settingCustomized setting
Time elapsed before the
interior lights turn off15 seconds
Off
O—O7.5 seconds
30 seconds
Operation after the engine
switch is turned offOnOff——O
Operation when the doors
are unlockedOnOff——O
Operation when you
approach the vehicle with
the electronic key on your
person
OnOff——O
Door trim lights*OnOff——O