2020 TOYOTA GR YARIS check engine light

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4-1. Before driving
Driving
WARNING
■If you hear a squealing or scrap- ing noise (brake pad wear indica-
tors)
Have the brake pads checked and replaced by any authorized Toyota
retailer or Toyota authorized repairer, or any reliable repairer as soon as possible.
Rotor damage may result if the pads are not replaced when needed.
Front brakes only: Moderate levels of brake pad and disc wear allow
enhanced front braking power. As a result, the discs may wear more quickly than conventional brake discs.
Therefore, when replacing the brake pads, Toyota recommends that you also have the thickness of the discs
measured. It is dangerous to drive the vehicle when the wear limits of the brake pads and/or those of the brake
discs are exceeded.
■When the vehicle is stopped
●Do not race the engine. If the vehicle is in any gear other than N, the vehicle may accelerate
suddenly and unexpectedly, caus- ing an accident.
●If the vehicle is stopped on an incline, in order to prevent acci-dents caused by the vehicle rolling
forward or backward, always depress the brake pedal and securely apply the parking brake as
needed.
●Avoid revving or racing the engine.
Running the engine at high speed while the vehicle is stopped may cause the exhaust system to over-
heat, which could result in a fire if combustible material is nearby.
■When the vehicle is parked
●Do not leave glasses, cigarette lighters, spray cans, or soft drink
cans in the vehicle when it is in the sun.Doing so may result in the follow-
ing:
• Gas may leak from a cigarette
lighter or spray can, and may lead to a fire.
• The temperature inside the vehicle may cause the plastic lenses and plastic material of glasses to
deform or crack.
• Soft drink cans may fracture, caus-
ing the contents to spray over the interior of the vehicle, and may also cause a short circuit in the vehicle’s
electrical components.
●Do not leave cigarette lighters in the
vehicle. If a cigarette lighter is in a place such as the glove box or on the floor, it may be lit accidentally
when luggage is loaded or the seat is adjusted, causing a fire.
●Do not attach adhesive discs to the windshield or windows. Do not place containers such as air fresh-
eners on the instrument panel or dashboard. Adhesive discs or con-tainers may act as lenses, causing
a fire in the vehicle.
●Do not leave a door or window
open if the curved glass is coated with a metallized film such as a sil-ver-colored one. Reflected sunlight
may cause the glass to act as a lens, causing a fire.
●Always apply the parking brake, stop the engine and lock the vehi-cle.
Do not leave the vehicle unat- tended while the engine is running.

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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 5
■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.339.
1 Stop the vehicle completely.
2 Set the parking brake. (→P.143)
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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4-2. Driving procedures
1Right turn
2 Lane change to the right (move
the lever partway and release it)
The right hand signals will flash 3 times.
3 Lane change to the left (move
the lever partway and release it)
The left hand signals will flash 3 times.
4 Left turn
■Turn signals can be operated when
The engine switch is in ON.
■If the indicator flashes faster than
usual
Check that a light bulb in the front or rear turn signal lights has not burned
out.
WARNING
■Gear Shift Indicator display
For safety, the driver should not look
only at the display. Refer to the dis- play when it is safe to do so while considering actual traffic and road
conditions. Failure to do so may lead to an acci-dent.
Turn signal lever
Operating instructions

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4-3. Operating the lights and wipers
Driving
4 Temporary operation
When “AUTO” is selected, the wipers
will operate automatically when the
sensor detects falling rain. The system
automatically adjusts wiper timing in
accordance with rain volume and vehi-
cle speed.
When “AUTO” is selected, the sen-
sor sensitivity can be adjusted as
follows by turning the switch ring.
5 Increases the rain-sensing wind-
shield wiper sensitivity
6 Decreases the rain-sensing
windshield wiper sensitivity
7 Washer/wiper dual oper-
ation
Pulling the lever operates the wipers
and washer.
Wipers will automatically operate a cou-
ple of times after the washer squirts.
■The windshield wiper and washer can be operated when
The engine switch is in ON.
■Effects of vehicle speed on wiper operation
Vehicle speed affects the Intermittent
wiper interval.
■Raindrop sensor
●The raindrop sensor judges the
amount of raindrops. An optical sensor is adopted. It may not operate properly when sunlight
from the rising or setting of the sun intermittently strikes the windshield, or if bugs etc. are present on the wind-
shield.
●If the wiper is turned to AUTO mode
while the engine switch is in ON, the wipers will operate once to show that AUTO mode is activated.
●If the temperature of the raindrop sen-sor is 85°C (185°F) or higher, or -15°C
(5°F) or lower, automatic operation may not occur. In this case, operate
the wipers in any mode other than AUTO mode.
■If no windshield washer fluid sprays
Check that the washer nozzles are not blocked if there is washer fluid in the windshield washer fluid reservoir.

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6
Maintenance and care
Maintenance and care
6-1. Maintenance and care
Cleaning and protecting the
vehicle exterior ............... 248
Cleaning and protecting the
vehicle interior ................ 251
6-2. Matte paint care guide (if
equipped)
Basic knowledge about matte
clear coat ........................ 254
Washing your vehicle........ 258
Frequently Asked Questions
....................................... 261
6-3. Maintenance
Maintenance requirements 265
6-4. Do-it-yourself maintenance
Do-it-yourself service precau-
tions ................................ 267
Hood ................................. 268
Positioning a floor jack...... 270
Engine compartment ........ 271
Battery .............................. 275
Tires .................................. 277
Replacing the tire.............. 287
Tire inflation pressure ....... 290
Wheels.............................. 292
Air conditioning filter ......... 293
Wireless remote control/elec-
tronic key battery ............ 295
Checking and replacing fuses
....................................... 297
Light bulbs ........................ 301

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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
■Warning messages
The warning messages explained below
may differ from the actual messages according to operation conditions and vehicle specifications.
■Warning buzzer
A buzzer may sound when a message is displayed.The buzzer may not be audible if the
vehicle is in a noisy location or if the audio system volume is high.
■If “Engine Oil Level Low Add or Replace” is displayed
The engine oil level is low. Check the
WARNING
■If a blowout or sudden air leak- age should occur
The tire pressure warning system may not activate immediately.
NOTICE
■To ensure the tire pressure warn-
ing system operates properly
Do not install tires with different speci- fications or makers, as the tire pres-
sure warning system may not operate properly.
If a warning message is
displayed
The multi-information display
shows warnings for system
malfunctions and incorrectly
performed operations, and
messages that indicate a need
for maintenance. When a mes-
sage is displayed, perform the
appropriate corrective action
for the message.
If a warning message is dis-
played again after the appro-
priate actions have been
performed, contact any autho-
rized Toyota retailer or Toyota
authorized repairer, or any reli-
able repairer.
Additionally, if a warning light
comes on or flashes at the
same time that a warning mes-
sage is displayed, take the
appropriate corrective action
for the warning light. ( →P.315)

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7-2. Steps to take in an emergency
level of the engine oil, and add if neces-
sary.
This message may appear if the vehicle is stopped on a slope. Move the vehicle
to a level surface and check to see if the message disappears.
■If “Engine Stopped Steering Power Low” is displayed
This message is displayed if the engine is stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering wheel firmly and operate it using more force than usual.
■If “Avoid Excessive Acceleration
Due to Temperature” is displayed
This message may be displayed when driving such as the following:
●While warming up the engine
●Continuously driving at extremely high load
Drive the vehicle for a while, while
avoiding extremely high load conditions.
■If “Auto Power OFF to Conserve Battery” is displayed
Power was cut off due to the automatic
power off function. Next time when start- ing the engine, increase the engine speed slightly and maintain that level for
approximately 5 minutes to recharge the battery.
■If “Headlight System Malfunction Visit Your Dealer” is displayed
The following systems may be malfunc- tioning. Have the vehicle inspected by any authorized Toyota retailer or Toyota
authorized repairer, or any reliable repairer immediately.
●The LED headlight system
●Automatic High Beam (if equipped)
■If a message that indicates the mal-
function of front camera is dis- played
The following systems may be sus-
pended until the problem shown in the message is resolved. ( →P.158, 315)
●PCS (Pre-Collision system) (if
equipped)
●LTA (Lane Tracing Assist) (if
equipped)
●Automatic High Beam (if equipped)
●RSA (Road Sign Assist) (if equipped)
●Dynamic radar cruise control (if equipped)
■If a message that indicates the mal-function of radar sensor is dis-
played
The following systems may be sus- pended until the problem shown in the
message is resolved. ( →P.158, 315)
●PCS (Pre-Collision system) (if
equipped)
●LTA (Lane Tracing Assist) (if
equipped)
●Dynamic radar cruise control (if
equipped)
■If “Radar Cruise Control Unavail- able See Owner’s Manual” is dis-played (if equipped)
The dynamic radar cruise control sys- tem is suspended temporarily or until the problem shown in the message is
resolved. (causes and coping methods: → P.158)
■If “Radar Cruise Control Unavail- able” is displayed (if equipped)
The dynamic radar cruise control sys- tem cannot be used temporarily. Use the system when it becomes available
again.
■If a message that indicates the need for visiting your Toyota dealer is displayed
The system or part shown on the multi- information display is malfunctioning. Have the vehicle inspected by any
authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.