engine coolant TOYOTA GR YARIS 2021 User Guide

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7-2. Steps to take in an emergency
When trouble arises
zFluid leaks under the vehicle.
(Water dripping from the air con-
ditioning after use is normal.)
z Flat-looking tires or uneven tire
wear
z Engine coolant temperature
gauge needle continually points
higher than normal.
z Changes in exhaust sound
z Excessive tire squeal when cor-
nering
z Strange noises related to the
suspension system
z Pinging or other noises related to
the engine
z Engine missing, stumbling or
running roughly
z Appreciable loss of power
z Vehicle pulls heavily to one side
when braking
z Vehicle pulls heavily to one side
when driving on a level road
z Loss of brake effectiveness,
spongy feeling, pedal almost
touches the floor
If you think something is
wrong
If you notice any of the follow-
ing symptoms, your vehicle
probably needs adjustment or
repair. Contact any authorized
Toyota retailer or Toyota autho-
rized repairer, or any reliable
repairer as soon as possible.
Visible symptoms
Audible symptoms
Operational symptoms

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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
When trouble arises
■If a message that indicates the
need for referring to Owner’s Man- ual is displayed
●If “Engine Coolant Temp High” is dis-played, follow the instructions accord-ingly. ( →P.346)
●If “Exhaust Filter Full” is displayed, fol- low the instructions accordingly.
( →P.218)
●If any of the following messages are
displayed on the multi-information dis- play, it may indicate a malfunction. Have the vehicle inspected by any
authorized Toyota retailer or Toyota authorized repairer, or any reliable repairer immediately.
• “Smart Entry & Start System Malfunc- tion”
●If any of the following messages are displayed on the multi-information dis-play, it may indicate a malfunction.
Immediately stop the vehicle and con- tact any authorized Toyota retailer or Toyota authorized repairer, or any reli-
able repairer. • “Braking Power Low”• “12-Volt Battery Charging System
Malfunction” •“Oil Pressure Low”
If you have a flat tire
Your vehicle is not equipped
with a spare tire, but instead is
equipped with an emergency
tire puncture repair kit.
A puncture caused by a nail or
screw passing through the tire
tread can be repaired tempo-
rarily using the emergency tire
puncture repair kit. (The kit
contains a bottle of sealant.
The sealant can be used only
once to temporarily repair one
tire without removing the nail
or screw from the tire.)
Depending on the damage, this
kit cannot be used to repair the
tire. ( →P.326)
After temporarily repairing the
tire with the kit, have the tire
repaired or replaced by any
authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer. Repairs
conducted using the emer-
gency tire puncture repair kit
are only a temporary measure.
Have the tire repaired and
replaced as soon as possible.
WARNING
■If you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and the wheel beyond repair, which could
result in an accident.

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7-2. Steps to take in an emergency
1Stop the vehicle in a safe place
and turn off the air conditioning
system, and then stop the
engine.
2 If you see steam: Carefully lift
the hood after the steam sub-
sides.
If you do not see steam: Care-
fully lift the hood.
3 After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radia-
tor) for any leaks.
Cooling fan
Radiator
If a large amount of coolant leaks,
immediately contact any authorized
Toyota retailer or Toyota authorized
repairer, or any reliable repairer.
4 The coolant level is satisfactory
if it is between the “MAX” or
“MIN” lines on the reservoir.
Reservoir
“MAX” line
“MIN” line
5 Add engine coolant if necessary.
Water can be used in an emergency if
If your vehicle overheats
The following may indicate that
your vehicle is overheating.
z The engine coolant tempera-
ture gauge ( →P.83) is in the
red zone or a loss of engine
power is experienced. (For
example, the vehicle speed
does not increase.)
z “Engine Coolant Temp High
Stop in a Safe Place See
Owner’s Manual” is shown on
the multi-information display.
z Steam comes out from under
the hood.
Correction procedures

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7-2. Steps to take in an emergency
When trouble arises
engine coolant is unavailable.
6Start the engine and turn the air
conditioning system on to check
that the radiator cooling fan
operate and to check for coolant
leaks from the radiator or hoses.
The fan operate when the air condition-
ing system is turned on immediately after a cold start. Confirm that the fan is operating by checking the fan sound
and air flow. If it is difficult to check these, turn the air conditioning system on and off repeatedly. (The fan may not
operate in freezing temperatures.)
7 If the fan is not operating: Stop
the engine immediately and
contact any authorized Toyota
retailer or Toyota authorized
repairer, or any reliable repairer.
If the fan is operating: Have the
vehicle inspected at the nearest
any authorized Toyota retailer or
Toyota authorized repairer, or
any reliable repairer.
WARNING
■When inspecting under the hood of your vehicle
Observe the following precautions.
Failure to do so may result in serious injury such as burns.
●If steam is seen coming from under the hood, do not open the hood until the steam has subsided. The
engine compartment may be very hot.
●Keep hands and clothing (espe-cially a tie, a scarf or a muffler) away from the fan and belts. Failure
to do so may cause the hands or clothing to be caught, resulting in serious injury.
●Do not loosen the coolant reservoir caps while the engine and radiator
are hot. High temperature steam or coolant could spray out.
NOTICE
■When adding engine coolant
Add coolant slowly after the engine has cooled down sufficiently. Adding
cool coolant to a hot engine too quickly can cause damage to the engine.
■To prevent damage to the cooling system
Observe the following precautions:
●Avoid contaminating the coolant
with foreign matter (such as sand or dust etc.).
●Do not use any coolant additive.

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8-1. Specifications
Vehicle specifications
Temperature range anticipated
before next oil change
Oil viscosity (0W-20 is explained
here as an example):
• The 0W in 0W-20 indicates the
characteristic of the oil which
allows cold startability. Oils with a
lower value before the W allow
for easier starting of the engine
in cold weather.
• The 20 in 0W-20 indicates the
viscosity characteristic of the oil
when the oil is at high tempera-
ture.
How to read oil container labels:
Either or both API registered marks are added to some oil containers to
help you select the oil you should
use.
API Service Symbol
Top portion: “API SERVICE SP” means
the oil quality designation by American
Petroleum Institute (API).
Center portion: “SAE 0W-20” means
the SAE viscosity grade.
Lower portion: “Resource-Conserving”
means that the oil has fuel-saving and
environmental protection capabilities.
ILSAC Certification Mark
The International Lubricant Specifica-
tion Advisory Committee (ILSAC) Certi-
fication Mark is displayed on the front of
the container.
Cooling system
Capacity (Reference)5.2 L (5.5 qt., 4.6 Imp. qt.)
Coolant type
Use either of the following:
•“Toyota Super Long Life Coolant”
•Similar high-quality ethylene glycol-based non-sili-
cate, non-amine, non-nitrite, and non-borate coolant
with long-life hybrid organic acid technology
Do not use plain water alone.

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Alphabetical Index
If you have a flat tire................... 325
If you lose your keys .................. 338
If you think something is wrong.. 313
If your vehicle becomes stuck .... 348
If your vehicle has to be stopped in
an emergency .......................... 306
If your vehicle needs to be towed
................................................. 309
If your vehicle overheats ............ 346
Engine ........................................... 351
ACC ........................................... 138
Compartment ............................. 271
Engine switch ............................. 136
Fuel pump shut off system ......... 314
Hood .......................................... 268
How to start the engine .............. 136
Identification number.................. 351
If the engine will not start ........... 337
If your vehicle has to be stopped in
an emergency .......................... 306
Ignition switch (engine switch) ... 136
Overheating ............................... 346
Tachometer ............................ 83, 95
Engine coolant .............................. 273
Capacity ..................................... 353
Checking .................................... 273
Preparing and checking before win-
ter ............................................ 226
Engine coolant temperature gauge
....................................................... 83Engine immobilizer system ........... 72
Engine oil....................................... 271
Capacity ..................................... 352
Checking .................................... 271
Preparing and checking before win-
ter ............................................. 226
Warning light .............................. 316
Engine switch................................ 136
Auto power off function .............. 138
Changing the engine switch modes
................................................. 138
If your vehicle has to be stopped in
an emergency .......................... 306
EPS (Electric Power Steering) ..... 220
Warning light .............................. 317
Expert mode .................................. 221
Extended Headlight Lighting ....... 145
F
Flat tire ........................................... 325
Tire pressure warning system .... 279
Floor mats ....................................... 28
Fluid
Brake .......................................... 356
Clutch ......................................... 355
Washer ....................................... 274
Fog lights
Replacing light bulbs ..................301
Switch......................................... 150

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YARIS(GR) Owner's Manual_Europe_M52L09_en
Alphabetical Index
Tires ............................................... 277
Chains ........................................ 227
Checking .................................... 277
Emergency tire puncture repair kit
................................................. 325
If you have a flat tire................... 325
Inflation pressure ....................... 290
Replacing ................................... 287
Rotating tires .............................. 279
Size ............................................ 357
Snow tires .................................. 226
Tire pressure warning system .... 279
Warning buzzers ........................ 319
Warning light .............................. 319
Tools .............................................. 327
Top tether anchorages ................... 56
Torque distribution display ........... 90
To w i n g
Emergency towing ..................... 309
Towing eyelet ............................. 311
Trailer towing ............................. 135
Toyota parking assist-sensor ...... 206
Enabling/disabling the Toyota park-
ing assist-sensor ...................... 207
Function ..................................... 206
Warning lights ............................ 320
Warning message ...................... 208
Toyota Safety Sense..................... 155
Automatic High Beam ................ 147
Dynamic radar cruise control ..... 181
LTA (Lane Tracing Assist) .......... 172
PCS (Pre-Collision System) ....... 160
RSA (Road Sign Assist) ............. 192Traction Control (TRC) ................. 220
Trailer towing ................................ 135
Transfer.......................................... 355
Transmission
AWD mode select switch............217
Gear Shift Indicator .................... 141
Manual transmission ..................139
TRC (Traction Control) ................. 220
Trip meters ...................................... 84
Turn signal lights .......................... 142
Replacing light bulbs ..................301
Turn signal lever ......................... 142
V
Vanity mirrors................................ 244
Vehicle data recording ..................... 7
Vehicle identification number ...... 350
Vehicle information display ........... 89
Vehicle Stability Control (VSC) .... 219
Vehicle Stability Control+ (VSC+) 219
VSC (Vehicle Stability Control) .... 219
VSC+ (Vehicle Stability Control+) 219
W
Warning buzzers
Approach warning ...................... 187
Brake Override System .............. 317
Brake system .............................315
Electric power steering ............... 317
Engine ........................................316
High coolant temperature ........... 315
Low engine oil pressure ............. 316

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YARIS(GR) Owner's Manual_Europe_M52L09_en
Alphabetical Index
LTA (Lane Tracing Assist) .. 172, 319
Open door .......................... 104, 105
PCS (Pre-Collision System) ....... 321
RCTA (Rear Crossing Traffic Alert)
......................................... 213, 320
Seat belt ..................................... 318
SRS airbag................................. 316
Stop & Start system ................... 319
Tire pressure .............................. 319
Toyota parking assist-sensor ... 206,
320
Warning lights............................... 315
ABS ............................................ 316
Brake Override System .............. 317
Brake system ............................. 315
Charging system ........................ 315
Electric power steering............... 317
High coolant temperature........... 315
Low engine oil pressure ............. 316
Low fuel level ............................. 317
LTA indicator .............................. 319
Malfunction indicator lamp ......... 316
Pre-collision system ................... 321
RCTA OFF indicator ................... 320
Seat belt reminder light .............. 318
Slip indicator .............................. 321
SRS airbag................................. 316
Stop & Start cancel indicator...... 319
Tire pressure .............................. 319
Toyota parking assist-sensor OFF
indicator ................................... 320
Warning messages ....................... 323Washer ........................................... 150
Checking .................................... 274
Preparing and checking before win-
ter ............................................. 226
Switch......................................... 150
Washing and waxing ............ 248, 258
Weight ............................................ 350
Wheels ........................................... 292
Replacing ...................................292
Size ............................................ 357
Window lock switch...................... 126
Windows
Power windows .......................... 124
Rear window defogger ............... 232
Washer ....................................... 150
Windshield wipers ........................ 150
Winter driving tips ........................ 226
Wireless remote control ............... 101
Battery-Saving Function ............. 110
Locking/Unlocking ...................... 101
Replacing the battery ................. 295
For vehicles with naviga-
tion/multimedia system,
refer to “Navigation and mul-
timedia system Owner’s
manual” for information
regarding the equipment
listed below.
· Navigation system
· Audio/visual system
· Rear view monitor system