2023 TOYOTA GR YARIS warning light

313
7
Owner's Manual_Europe_M52P63_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 g oes
off, this does not necessarily indicate a malfunction in the sy stem.
However, if this continues to o ccur, have the vehicle inspected by
any authorized Toyota retailer or Toyota authorized repairer, o r any
reliable repairer.
Actions to the warning lights or warning buzzers
Warning lightDetails/Actions
Indicates that:
 The brake fluid level is low; or
 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 hi gh
 Immediately stop the vehicle in a safe place.
Handling method ( P.344)
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.

314
Owner's Manual_Europe_M52P63_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:
 The electronic engine control system; or
 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:
 The SRS airbag system; or
 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:
 The ABS; or
 The brake assist system
 Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.

315
7
Owner's Manual_Europe_M52P63_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.

316
Owner's Manual_Europe_M52P63_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 sou nds to alert the
driver and front passenger that his or her seat belt is not fas tened. If the seat belt is
unfastened, the buzzer sounds intermittently for a certain peri od 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 buzzer sounds to alert t he 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 ve hicle reaches a certain
speed.
Warning lightDetails/Actions
Warns the driver and/or front passenger to fasten their seat be lts
 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.

317
7
Owner's Manual_Europe_M52P63_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.355)
Low tire inflation pressure from flat tire
 Immediately stop the vehicle in a safe place.
Handling method ( P.323)
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.179)
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.

318
Owner's Manual_Europe_M52P63_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 fun c-
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.206)
Warning lightDetails/Actions
(Flashes)
(if equipped)
Indicates a malfunction in the RCTA (Rear Crossing Traffic Aler t)
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 cover ed
with dirt, etc. ( P.200)
 Follow the instructions displayed on the multi-information
display. ( P.211)

319
7
Owner's Manual_Europe_M52P63_en
7-2. Steps to take in an emergency
When trouble arises
■PCS warning light
■Slip indicator
■Warning buzzer
In some cases, the buzzer may not be heard due to being in a noisy location or audio sound.
■Front passenger detection sensor,
seat belt reminder and warning buzzer
●If luggage is placed on the front pas-senger seat, the front passenger detection sensor may cause the warn-
ing light to flash and the warning buzzer to sound even if a passenger is not sitting in the seat.
●If a cushion is placed on the seat, the
sensor may not detect a passenger,
and the warning light may not operate properly.
■If the malfunction indicator lamp comes on while driving
For some models, the malfunction indi- cator lamp will come on if the fuel tank becomes completely empty. If the fuel
tank is empty, refuel the vehicle immedi- ately. The malfunction indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact any authorized Toyota retailer or Toyota authorized repairer, or
any reliable repairer as soon as possi-
Warning lightDetails/Actions
(Flashes or illumi- nates)
(if equipped)
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS (Pre-Collision
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:
The PCS (Pre-Collision System) has become temporarily unavail-
able, corrective action may be necessary.
 Follow the instructions displayed on the multi-information
display. ( P.156, 321)
If the PCS (Pre-Collision System) or VSC (Vehicle Stability Con-
trol) system is disabled, the PCS warning light will illuminate .
 P. 2 1 8
Warning lightDetails/Actions
Indicates a malfunction in:
 The VSC system;
 The TRC system; or
 The hill-start assist control system
 Have the vehicle inspected by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable
repairer immediately.

320
Owner's Manual_Europe_M52P63_en
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 3
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.280)
■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 7 8
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.