warning light TOYOTA GR YARIS 2020 Repair Manual

286
YARIS(GR) Owner's Manual_Europe_M52L09_en
6-4. Do-it-yourself maintenance
change of wheel set only if a sec-
ond wheel set has been regis-
tered. If no second wheel set has
been registered, the ID cannot
be changed even if “Identifying
Each Wheel & Position” is
selected in the multi-information
display and waiting for 2 min-
utes.
zOnly a change between both
registered wheel set is possible,
mixing between these wheel sets
is not supported.
■How to change between wheel
sets
1Have the vehicle fitted with the
preferred wheel set.
2Press / of the meter con-
trol switch to select .
3Press / to select “Vehicle
Settings” and then press and
hold .
4Press / to select “TPWS
setting” and then press .
5Press / to select “Identi-
fying Each Wheel & Position”.
Then press and hold until
the tire pressure warning light
blinks slowly 3 times. Afterward, turns on after flashing for 1 min-
ute.
After 2 minutes, registration of a second
wheel set is being performed and the
tire pressure warning light will turn off.
6Initialize the tire pressure warn-
ing system. (→P.282)
If the tire inflation pressure settings for
the installed tire changes, initialization
operations are required, but if the same
tire inflation pressure, initialization is
not required.
7Drive straight (with occasional
left and right turns) at approxi-
mately 40 km/h (25 mph) or
more for approximately 10 to 30
minutes.
Registration of a second wheel set is
complete when the tire pressure warn-
ing light turns off and the inflation pres-
sure of each tire is displayed on the
multi-information display.

300
YARIS(GR) Owner's Manual_Europe_M52L09_en
6-4. Do-it-yourself maintenance
■When replacing light bulbs
Toyota recommends that you use genu- ine Toyota products designed for this vehicle.
Because certain bulbs are connected to circuits designed to prevent overload, non-genuine parts of parts not designed
for this vehicle may be unusable.
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions. Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
●Never use a fuse of a higher
amperage rating than that indi- cated, or use any other object in place of a fuse.
●Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
●Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload
determined and repaired by any authorized Toyota retailer or Toyota authorized repairer, or any reliable
repairer as soon as possible.
■When installing the fuse box cover (Engine compartment)
Press the fuse box cover, when
installing, after aligning all of the claw positions. Otherwise, the claws may be damaged.

303
6
YARIS(GR) Owner's Manual_Europe_M52L09_en
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.

7
305
YARIS(GR) Owner's Manual_Europe_M52L09_en
7
When trouble arises
When trouble arises
7-1. Essential information
Emergency flashers .......... 306
If your vehicle has to be
stopped in an emergency 306
If the vehicle is trapped in rising
water............................... 307
7-2. Steps to take in an emer-
gency
If your vehicle needs to be
towed .............................. 309
If you think something is wrong
....................................... 313
Fuel pump shut off system 314
If a warning light turns on or a
warning buzzer sounds... 315
If a warning message is dis-
played ............................. 323
If you have a flat tire ......... 325
If the engine will not start .. 337
If you lose your keys ......... 338
If the electronic key does not
operate properly ............. 339
If the vehicle battery is dis-
charged .......................... 341
If your vehicle overheats... 346
If the vehicle becomes stuck
....................................... 348

315
7
YARIS(GR) Owner's Manual_Europe_M52L09_en
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.

316
YARIS(GR) Owner's Manual_Europe_M52L09_en
7-2. Steps to take in an emergency
■Low engine oil pressure warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
■Malfunction indicator lamp (warning buzzer)
■SRS warning light (warning buzzer)
■ABS warning light
Warning lightDetails/Actions
Indicates that the engine oil pressure is excessively low
→ Immediately stop the vehicle in a safe place and contact
any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Warning lightDetails/Actions
Indicates a malfunction in:
z The electronic engine control system; or
z The electronic throttle control system
→ Immediately stop the vehicle in a safe place and contact
any authorized Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
Warning lightDetails/Actions
Indicates a malfunction in:
z The SRS airbag system; or
z The seat belt pretensioner system
→ Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Warning lightDetails/Actions
Indicates a malfunction in:
z The ABS; or
z The brake assist system
→ Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.

317
7
YARIS(GR) Owner's Manual_Europe_M52L09_en
7-2. Steps to take in an emergency
When trouble arises
■Brake Override System warning light* (warning buzzer)
*: This light illuminates on the multi-information display.
■Electric power steering system warning light (warning buzzer)
■Low fuel level warning light
Warning lightDetails/Actions
When a buzzer sounds:
Indicates a malfunction in the Brake Override System
→ Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
When a buzzer does not sound:
Indicates that the accelerator and brake pedals are being
depressed simultaneously, and the Brake Override System is
operating.
→ Release the accelerator pedal and depress the brake pedal.
Warning lightDetails/Actions
(Red)
or
(Yellow)
Indicates a malfunction in the EPS (Electric Power Steering) sys-
tem
→ Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Warning lightDetails/Actions
Indicates that remaining fuel is approximately 7.5 L (2.0 gal., 1.7
Imp. gal.) or less
→ Refuel the vehicle.

318
YARIS(GR) Owner's Manual_Europe_M52L09_en
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.

319
7
YARIS(GR) Owner's Manual_Europe_M52L09_en
7-2. Steps to take in an emergency
When trouble arises
■Tire pressure warning light
■LTA indicator* (warning buzzer)
*: This light illuminates on the multi-information display.
■Stop & Start cancel indicator (warning buzzer)
Warning lightDetails/Actions
When the light comes on after blinking for approximately 1 minute
(a buzzer does not sounds):
Malfunction in the tire pressure warning system
→ Have the system checked by any authorized Toyota retailer
or Toyota authorized repairer, or any reliable repairer.
When the light comes on (a buzzer sounds):
Low tire inflation pressure from natural causes
→ Adjust the tire inflation pressure to the specified cold tire
inflation pressure level. ( →P.357)
Low tire inflation pressure from flat tire
→ Immediately stop the vehicle in a safe place.
Handling method ( →P.325)
Warning lightDetails/Actions
(Orange)
(if equipped)
Indicates a malfunction in the LTA (Lane Tracing Assist)
→ Follow the instructions displayed on the multi-information
display. ( →P.181)
Warning lightDetails/Actions
(Flashes)
Indicates a malfunction in the Stop & Start system
→ Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.

320
YARIS(GR) Owner's Manual_Europe_M52L09_en
7-2. Steps to take in an emergency
■Toyota parking assist-sensor OFF indicator (warning buzzer)
■“RCTA OFF” indicator (warning buzzer)
Warning lightDetails/Actions
(Flashes)
(if equipped)
Indicates a malfunction in the Toyota parking assist-sensor func-
tion
→ Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Indicates that the system is temporarily unavailable, possibly due
to a sensor being dirty or covered with ice, etc.
→ Follow the instructions displayed on the multi-information
display. ( →P.208)
Warning lightDetails/Actions
(Flashes)
(if equipped)
Indicates a malfunction in the RCTA (Rear Crossing Traffic Alert)
function
→ Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.
Indicates that the rear bumper around the radar sensor is covered
with dirt, etc. ( →P.202)
→ Follow the instructions displayed on the multi-information
display. ( →P.213)