2021 TOYOTA YARIS HATCHBACK overheating

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YARIS(HB) Owner's Manual_Europe_MK0001_en
5-1. Using the air conditioning system and defogger
WARNING
■To prevent overheating and minor burn injuries
Observe the following precautions when using the seat heaters.
●Do not cover the seat with a blanket or cushion when using the seat heater.
●Do not use seat heater more than necessary.

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YARIS(HB) Owner's Manual_Europe_MK0001_en
7-2. Steps to take in an emergency
When trouble arises
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.
WARNING
■When replacing the battery
●When the vent plug and indicator
are close to the hold down clamp, the battery fluid (sulfuric acid) may leak.
●For information regarding battery replacement, contact any autho-
rized Toyota retailer or Toyota authorized repairer, or any reliable repairer.
NOTICE
■When handling jumper cables
When connecting the jumper cables, ensure that they do not become
entangled in the cooling fan or engine drive belt.
If your vehicle overheats
The following may indicate that
your vehicle is overheating.
z The engine coolant tempera-
ture gauge ( →P.86, 90) 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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YARIS(HB) Owner's Manual_Europe_MK0001_en
Alphabetical Index
C
Care ....................................... 308, 311
Aluminum wheels ....................... 308
Exterior....................................... 308
Interior ........................................ 311
Seat belts ................................... 311
Chains ........................................... 275
Child restraint system .................... 47
Points to remember...................... 47
Riding with children ...................... 46
Child safety ..................................... 46
Airbag precautions ....................... 41
Battery precautions ............ 328, 404
Child restraint system .................. 47
Heated steering wheel and seat
heater precautions ................... 289
How your child should wear the seat
belt ............................................. 34
Installing child restraints............... 47
Power window lock switch ......... 141
Power window precautions ........ 140
Rear door child-protectors ......... 119
Removed electronic key battery pre-
cautions ................................... 347
Seat belt precautions ................... 46
Child-protectors............................ 119
Cleaning ................................ 308, 311
Aluminum wheels ....................... 308
Exterior....................................... 308
Interior ........................................ 311
Radar sensor ............................. 188
Seat belts ................................... 311
Clock ........................ 86, 88, 88, 90, 92
Coat hooks .................................... 304
Condenser..................................... 324
Consumption screen .................... 109
Cooling system ............................. 324
Engine overheating .................... 405
Cruise control
Dynamic radar cruise control ..... 213Cup holders ...................................294
Current fuel consumption ......95, 100
Curtain shield airbags ....................36
Customizable features ................. 422
D
Daytime running light system ..... 173
Deck board .................................... 295
Defogger
Outside rear view mirrors ... 280, 285
Rear window ...................... 280, 285
Windshield.......................... 280, 285
Dimensions ...................................410
Display
Dynamic radar cruise control ..... 213
Head-up display ......................... 105
LTA (Lane-Tracing Assist) .......... 209
Multi-information display ........93, 99
Speed limiter .............................. 224
Toyota parking assist-sensor...... 242
Warning message ...................... 377
Display change button ............. 87, 91
Distance until next engine oil change
................................................. 87, 91
Do-it-yourself maintenance ......... 314
Door
Double locking system ................. 77
Door lock
Back door ...................................120
Side doors .................................. 116
Smart entry & start system ......... 123
Wireless remote control ............. 114
Doors
Back door ...................................120
Door glasses .............................. 139
Door lock ............................ 116, 120
Open door warning buzzer . 117, 119
Outside rear view mirrors ........... 136
Rear door child-protectors.......... 119
Side doors .................................. 116
Double locking system................... 77

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YARIS(HB) Owner's Manual_Europe_MK0001_en
Alphabetical Index
Drive distance ......................... 97, 102
Drive information .................... 97, 102
Drive-start control ........................ 145
Driving ........................................... 144
Break-in tips ............................... 146
Correct driving posture................. 31
Driving mode select switch ........ 266
Procedures................................. 144
Winter drive tips ......................... 274
Driving information display ... 94, 100
Driving range .................. 95, 100, 101
Driving support system information
display ................................... 96, 102
Dynamic radar cruise control ...... 213
Road Sign Assist (RSA) ............. 220
Warning message ...................... 222
E
eCall ................................................. 66
“SOS” button ................................ 66
Eco drive mode ............................. 266
Eco Driving Indicator ..... 95, 101, 108
Eco Driving Indicator Light.... 95, 101
Elapsed time ........................... 97, 102
Electric Power Steering (EPS) ..... 269
Warning light .............................. 370
Electronic key ............................... 112
Battery-saving function .............. 124
If the electronic key does not operate
properly.................................... 399
Replacing the battery ................. 345
Emergency brake signal .............. 269
Emergency flashers ..................... 360
Emergency tire puncture ............. 379
Emergency, in case of
If a warning buzzer sounds ........ 368
If a warning light turns on ........... 368
If a warning message is displayed
................................................. 377
If the battery is discharged ......... 401
If the electronic key does not operate properly .................................... 399
If the engine will not start ........... 397
If the vehicle is trapped in rising
water ........................................361
If you have a flat tire ........... 379, 389
If you lose your keys ..................399
If you think something is wrong .. 366
If your vehicle becomes stuck .... 408
If your vehicle has to be stopped in
an emergency .......................... 360
If your vehicle needs to be towed
................................................. 363
If your vehicle overheats ............405
Engine ............................................ 412
ACC.................................... 158, 162
Compartment .............................320
Engine switch .....................158, 159
Fuel pump shut off system ......... 367
Hood........................................... 317
How to start the engine ...... 158, 159
Identification number .................. 411
If the engine will not start ........... 397
If your vehicle has to be stopped in
an emergency .......................... 360
Ignition switch (engine switch) . 158,
159
Overheating................................ 405
Tachometer .................... 86, 90, 108
Engine coolant .............................. 324
Capacity ..................................... 415
Checking .................................... 324
Preparing and checking before win-
ter ............................................. 274
Engine coolant temperature gauge
................................................. 86, 90
Engine immobilizer system ........... 76
Engine oil....................................... 321
Capacity ..................................... 413
Checking .................................... 321
Preparing and checking before win-
ter ............................................. 274

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YARIS(HB) Owner's Manual_Europe_MK0001_en
Alphabetical Index
Eco Driving Indicator ............ 95, 101
Fuel economy ...................... 95, 100
LTA (Lane-Tracing Assist) .......... 209
Menu icons............................. 93, 99
Meter control switches ......... 94, 100
Navigation system-linked display96,
102
Settings ................................ 97, 103
Stop & Start system information 98,
104
Tire pressure .............................. 332
Toyota parking assist-sensor ..... 242
Vehicle information display .. 97, 102
Warning message ...................... 377
Multidrive ...................................... 164
If the shift lever cannot be shifted
from P ...................................... 165
M mode ...................................... 167
Paddle shift switches ................. 166
N
Navigation system-linked display96,
102, 105
O
Odometer .................................. 87, 91
Odometer and trip meter display
Display change button ........... 87, 91
Display items.......................... 87, 91
Oil
Engine oil ................................... 413
Manual transmission .................. 416
Opener
Back door ................................... 122
Fuel filler door ............................ 186
Hood .......................................... 317
Outside rear view mirrors
Adjustment ................................. 136
BSM (Blind Spot Monitor) .......... 237
Folding ....................................... 137Outside rear view mirror defoggers
......................................... 280, 285
RCTA (Rear Crossing Traffic Alert)
................................................. 247
Outside temperature......... 86, 90, 108
Overheating ...................................405
P
Paddle shift switches ................... 166
Panoramic roof shade ..................305
Parking assist sensors (Toyota park-
ing assist-sensor) .......................242
Parking brake ................................ 171
Operation ...................................171
Parking brake engaged warning
buzzer ...................................... 171
Parking Support Brake (PKSB) ... 251
Enabling/disabling the Parking Sup-
port Brake ................................ 252
Parking Support Brake function
(rear-crossing vehicles)............262
Parking Support Brake function
(static objects) .......................... 256
Warning lights.............................373
Warning message ...................... 255
PCS (Pre-Collision System) ......... 193
Enabling/disabling the pre-collision
system...................................... 196
Function ..................................... 193
Warning light .............................. 374
Personal lights .............................. 291
Wattage ...................................... 419
PKSB (Parking Support Brake) ... 251
Enabling/disabling the Parking Sup-
port Brake ................................ 252
Parking Support Brake function
(rear-crossing vehicles)............262
Parking Support Brake function
(static objects) .......................... 256
Warning lights.............................373
Warning message ...................... 255