engine overheat TOYOTA SEQUOIA 2021 (in English) User Guide

3525-1. Using the air conditioning system and defogger
SEQUOIA_OM_USA_OM0C035U
Seat heaters/seat ventilators
: If equipped
The seat heaters warm the seats and the seat ventilators main-
tain good airflow by blowi ng air through the seats.
WARNING
●Care should be taken to prevent injury if anyone in the following categories
comes in contact with the seats when the heater is on:
• Babies, small children, the elderly, the sick and the physical ly chal-
lenged
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drugs that induce sleep (sle eping
drugs, cold remedies, etc.)
● Observe the following precautions to prevent the minor burns or overheat-
ing
• Do not cover the seat with a blanket or cushion when using the seat
heater.
• Do not use seat heater more than necessary.
NOTICE
● Do not put heavy objects that have an uneven surface on the sea t and do
not stick sharp objects (needles, nails, etc.) into the seat.
● To prevent battery discharge, do not use the functions when the engine is
off.

459
When trouble arises7
SEQUOIA_OM_USA_OM0C035U7-1. Essential information
Emergency flashers .......... 460
If your vehicle has to be stopped in an
emergency ...................... 461
If the vehicle is trapped in rising water.................. 463
7-2. Steps to take in an emergency
If your vehicle needs to be towed ......................... 464
If you think something is wrong .............................. 468
Fuel pump shut off system ............................ 469
If a warning light turns on or a warning buzzer
sounds ............................ 470
If a warning message is displayed......................... 479
If you have a flat tire.......... 491
If the engine will not start ................................. 505
If the electronic key does not operate properly ........ 507
If the vehicle battery is discharged ...................... 509
If your vehicle overheats ... 513
If the vehicle becomes stuck ............................... 516

5137-2. Steps to take in an emergency
SEQUOIA_OM_USA_OM0C035U
7
When trouble arises
If your vehicle overheats
●The needle of the engine coolant temperature gauge ( P. 9 4 )
enters the red zone o r a loss of engine power is experienced.
(For example, the vehicle speed does not increase.)
● Steam comes out f rom under the hood.
Stop the vehicle in a safe place and turn off the air condition ing sys-
tem, and then stop the engine.
If you see steam:
Carefully lift the hood after the steam subsides.
If you do not see steam:
Carefully lift the hood.
After the engine has cooled
down sufficiently, inspect the
hoses and radiator core (radia-
tor) for any leaks. Radiator
Cooling fan
If a large amount of coolant
leaks, immediately contact your
Toyota dealer.
The coolant level is satisfactory
if it is between the “FULL” and
“LOW” lines on the reservoir.Reservoir
“FULL” line
“LOW” line
Radiator cap
The following may indicate that your vehicle is overheating:
Correction procedures
1
2
3
4

578Alphabetical index
SEQUOIA_OM_USA_OM0C035U
Child safety ................................ 57Airbag precautions .................. 42
Back door precautions .......... 122
Battery precautions ....... 424, 512
Child restraint system ............. 58
How your child should
wear the seat belt ................. 34
Installing child restraints ......... 62
Moon roof precautions .......... 174
Power window lock switch .... 165
Power window precautions ... 167
Rear door child-protectors .... 115
Removed key battery precautions ......................... 447
Seat belt extender precautions ........................... 39
Seat belt precautions .............. 36
Seat heater precautions........ 352
Child-protectors....................... 115
Cleaning ........................... 398, 402 Aluminum wheels.................. 399
Exterior ................................. 398
Interior................................... 402
Seat belts .............................. 403
Climate control seat ................ 353
Compass .................................. 393
Condenser ................................ 420
Console box ..................... 361, 363
Cooling system Engine overheating ............... 513
Cruise control .......................... 276
Cup holders.............................. 366
Curtain shield airbags ............... 40
Customizable features ............ 546 Daytime running light
system.................................... 229
Defogger Outside rear view mirrors ..... 343
Rear window ......................... 343
Windshield ............................ 343
Dimension ................................ 520
Dinghy towing.......................... 213
Display Multi-information display ......... 98
Warning message................. 479
Do-it-yourself maintenance .... 411
Door courtesy lights ............... 355 Wattage ................................ 530
Doors Automatic door locking and
unlocking systems .............. 116
Back door ............................. 118
Door lock ...................... 113, 118
Door windows ....................... 165
Open door warning buzzer ... 482
Outside rear view mirrors ..... 161
Rear door child-protector ...... 115
Side doors ............................ 113
Drive information....................... 99
Driver’s seat position memory .................................. 149
Driving ...................................... 176 Break-in tips.......................... 178
Correct driving posture ........... 28
Driving assist systems .......... 322
Off-road precautions ............. 329
Procedures ........................... 176
Winter drive tips .................... 334D

579Alphabetical index
SEQUOIA_OM_USA_OM0C035U
EDR (Event data recorder) ........ 11
Electronically modulated air suspension ....................... 309
Emergency flashers ................ 460
Emergency, in case of
If a warning buzzer sounds ................................ 470
If a warning light turns on ....................................... 470
If a warning message
is displayed......................... 479
If the engine will not start ...... 505
If the vehicle battery is discharged .......................... 509
If the vehicle is trapped in rising water ..................... 463
If you have a flat tire ............. 491
If you think something is wrong .............................. 468
If your vehicle becomes stuck ................................... 516
If your vehicle has to be
stopped in an emergency ... 461
If your vehicle needs to be towed ......................... 464
If your vehicle overheats ....... 513
Engine Compartment ........................ 415
Engine switch........................ 214
Hood ..................................... 414
How to start the engine ......... 214
Identification number ............ 522
If the engine will not start ...... 505
Ignition switch (engine switch) ................... 214
Overheating .......................... 513
Engine coolant ......................... 419 Capacity ................................ 526
Checking ............................... 419
Preparing and checking before winter....................... 334 Engine coolant temperature
gauge ....................................... 94
Engine immobilizer system ...... 76
Engine oil ................................. 416 Capacity................................ 524
Checking............................... 416
Preparing and checking before winter ...................... 334
Engine switch .......................... 214
Event data recorder (EDR)........ 11
Flat tire ..................................... 491
Floor mats .................................. 26
Fluid Automatic transmission ........ 527
Brake .................................... 528
Power steering...................... 528
Washer ................................. 425
Fog lights ................................. 236 Replacing light bulbs ............ 457
Switch ................................... 236
Four-wheel drive system.................................... 315
Front passenger occupant
classification system .............. 51
Front personal lights............... 357
Front seats ............................... 136 Adjustment............................ 136
Cleaning ............................... 402
Correct driving posture ........... 28
Driving position memory ....... 149
Head restraints ..................... 154
Seat heaters ......................... 352
Seat position memory ........... 149
Seat ventilators ..................... 352
E
F

582Alphabetical index
SEQUOIA_OM_USA_OM0C035U
MirrorsInside rear view mirror .......... 158
Outside rear view mirror
defoggers ........................... 343
Outside rear view mirrors...... 161
Vanity mirrors........................ 376
Moon roof ................................. 171 Door lock linked moon roof
operation ............................ 173
Jam protection function......... 172
Operation .............................. 171
MP3 disc
*
Multi-information display .......... 98 Drive information..................... 99
Language .............................. 100
LDA (Lane Departure Alert) ................................... 268
PCS (Pre-Collision system) ........ ....................... 255
Settings ................................. 100
Warning message ................. 479
Navigation system
*
Noise from under vehicle............ 8
Odometer.................................... 94
Off-road precaution s ............... 329
Oil Differential oil ........................ 527
Engine oil ...................... 416, 524
Transfer oil ............................ 527
Opener
Back door.............................. 120
Fuel filler door ....................... 246
Hood ..................................... 414
Outer foot lights....................... 355
Outside rear view mirrors ....... 161 Adjusting and folding ............ 161
BSM (Blind Spot Monitor) ..... 296
Outside rear view mirror defoggers ................. 343 Outside temperature
display...................................... 94
Overhead console ................... 365
Overheating, Engine ............... 513
Parking brake........................... 226 Operation .............................. 226
Parking brake engaged warning buzzer/
message............................. 482
Parking lights........................... 227 Light switch ........................... 227
Replacing light bulbs ............ 457
PCS (Pre-Collision system) .... 255 Enabling/disabling
the system ......... ................. 259
Pen holder ................................ 361
Personal lights......................... 357
Power back window ................ 168 Jam protection function ........ 169
Operation .............................. 168
Power outlets ........................... 377
Power steering Fluid .............................. 422, 528
Warning light......................... 471
Power windows ....................... 165 Door lock linked window operation ............................ 166
Jam protection function ........ 166
Operation .............................. 165
Window lock switch .............. 165
Pre-Collision system (PCS) ...................................... 255 Enabling/disabling
the system ......... ................. 259
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