2022 TOYOTA SEQUOIA engine overheat

3234-5. Using the driving support systems
4
Driving
SEQUOIA_OM_USA_OM0C047U
■If the engine is turned off and restarted
The AUTO LSD system and the indicators are automatically turned off.
■ Reactivation of the VSC system linked to vehicle speed
When the AUTO LSD system is turned on, the VSC and TRAC systems will
turn on automatically if vehicle speed increase.
■ If the brake system overheats
The system will cease operation and a buzzer will alert the driver. At this time,
the “TRAC OFF” indicator will come on. Stop the vehicle in a safe place.
(There is no problem with continuing normal driving.) The syste m will be auto-
matically restored after a short time.
WARNING
■ To avoid an accident
Failure to do so, a much greater steering effort and more careful cornering
control will be required.
● Do not use the AUTO LSD system in conditions other than when on e of
the drive wheels spinning occurs in a ditch or rough surface.
● Do not drive with the AUTO LSD system continuously turned on.
NOTICE
■Activating while driving
Do not activate the AUTO LSD system if the wheel is slipping. S top the slip-
ping or spinning before activating.

3284-5. Using the driving support systems
SEQUOIA_OM_USA_OM0C047U■
Automatic reactivation of TRAC, Trailer Sway Control and VSC sy stems
After turning the TRAC, Trailer Sway Control and VSC systems of f, the sys-
tems will be automatically re-enabled in the following situatio ns:
● When the engine switch is turned off
● If only the TRAC system is turned off, the TRAC will turn on wh en vehicle
speed increases
If both the TRAC and VSC systems are turned off, automatic re-e nabling will
not occur when vehicle speed increases.
■ If the brake system overheats
TRAC will cease operation, and the slip indicator will change f rom flashing to
being on continuously to alert the driver. Stop the vehicle in a safe place.
(There is no problem with continuing normal driving.)
■ Shifting to the “4L” position
The VSC off indicator will come on.
If the center differential is locked, VSC and Trailer Sway Cont rol are automat-
ically turned off.
■ Power steering system operation sound
When you turn the engine switch to ON after the battery has bee n discon-
nected and reconnected, a sound may be heard from the engine co mpart-
ment.
This does not indicate a malfunction.

3545-1. Using the air conditioning system and defogger
SEQUOIA_OM_USA_OM0C047U
Seat heaters/seat ventilators
: If equipped
The seat heaters warm the seats and the seat ventilators main-
tain good airflow by blowing 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 (sleeping 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.

461
When trouble arises7
SEQUOIA_OM_USA_OM0C047U7-1. Essential information
Emergency flashers .......... 462
If your vehicle has to be stopped in an
emergency ...................... 463
If the vehicle is submerged or water on
the road is rising ............. 465
7-2. Steps to take in an emergency
If your vehicle needs to be towed ......................... 466
If you think something is wrong .............................. 470
Fuel pump shut off system ............................ 471
If a warning light turns on or a warning buzzer
sounds ............................ 472
If a warning message is displayed......................... 481
If you have a flat tire.......... 493
If the engine will not start ................................. 507
If the electronic key does not operate properly ........ 509
If the vehicle battery is discharged ...................... 511
If your vehicle overheats ... 515
If the vehicle becomes stuck ............................... 518

5157-2. Steps to take in an emergency
SEQUOIA_OM_USA_OM0C047U
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

580Alphabetical index
SEQUOIA_OM_USA_OM0C047U
Child safety ................................ 57Airbag precautions .................. 42
Back door precautions .......... 122
Battery precautions ....... 426, 514
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 ......................... 449
Seat belt extender precautions ........................... 39
Seat belt precautions .............. 36
Seat heater precautions........ 354
Child-protectors....................... 115
Cleaning ........................... 400, 404 Aluminum wheels.................. 401
Exterior ................................. 400
Interior................................... 404
Seat belts .............................. 405
Climate control seat ................ 355
Compass .................................. 395
Condenser ................................ 422
Console box ..................... 363, 365
Cooling system Engine overheating ............... 515
Cruise control .......................... 276
Cup holders.............................. 368
Curtain shield airbags ............... 40
Customizable features ............ 548 Daytime running light
system.................................... 229
Defogger Outside rear view mirrors ..... 345
Rear window ......................... 345
Windshield ............................ 345
Dimension ................................ 522
Dinghy towing.......................... 213
Display Multi-information display ......... 98
Warning message................. 481
Do-it-yourself maintenance .... 413
Door courtesy lights ............... 357 Wattage ................................ 532
Doors Automatic door locking and
unlocking systems .............. 116
Back door ............................. 118
Door lock ...................... 113, 118
Door windows ....................... 165
Open door warning buzzer ... 484
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 .......... 324
Off-road precautions ............. 331
Procedures ........................... 176
Winter drive tips .................... 336D

581Alphabetical index
SEQUOIA_OM_USA_OM0C047U
EDR (Event data recorder) ........ 11
Electronically modulated air suspension ....................... 311
Emergency flashers ................ 462
Emergency, in case of
If a warning buzzer sounds ................................ 472
If a warning light turns on ....................................... 472
If a warning message
is displayed......................... 481
If the engine will not start ...... 507
If the vehicle battery is discharged .......................... 511
If the vehicle is submerged or water on
the road is rising ................. 465
If you have a flat tire ............. 493
If you think something is wrong .............................. 470
If your vehicle becomes stuck ................................... 518
If your vehicle has to be stopped in an emergency ... 463
If your vehicle needs to be towed ......................... 466
If your vehicle overheats ....... 515 Engine
Compartment ........................ 417
Engine switch ....................... 214
Hood ..................................... 416
How to start the engine......... 214
Identification number ............ 524
If the engine will not start ...... 507
Ignition switch
(engine switch) ................... 214
Overheating .......................... 515
Engine coolant......................... 421
Capacity................................ 528
Checking............................... 421
Preparing and checking before winter ...................... 336
Engine coolant temperature gauge ....................................... 94
Engine immobilizer system ...... 76
Engine oil ................................. 418 Capacity................................ 526
Checking............................... 418
Preparing and checking before winter ...................... 336
Engine switch .......................... 214
Event data recorder (EDR)........ 11
E

585Alphabetical index
SEQUOIA_OM_USA_OM0C047U
Outer foot lights....................... 357
Outside rear view mirrors ....... 161Adjusting and folding ............ 161
BSM (Blind Spot Monitor) ..... 297
Outside rear view mirror defoggers ................. 345
Outside temperature display ...................................... 94
Overhead console ................... 367
Overheating, Engine................ 515
Parking brake ........................... 226 Operation .............................. 226
Parking brake engaged warning buzzer/
message ............................. 484
Parking lights ........................... 227 Light switch ........................... 227
Replacing light bulbs............. 459
PCS (Pre-Collision system) .... 255 Enabling/disabling
the system ................... ....... 259
Pen holder ................................ 363
Personal lights ......................... 359
Power back window ................ 168 Jam protection function......... 169
Operation .............................. 168
Power outlets ........................... 379
Power steering
Fluid .............................. 424, 530
Warning light ......................... 473 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
Radiator .................................... 422
Radio
*
RCTA (Rear Cross Traffic Alert)....................................... 297
Rear air conditioning system.................................... 350
Rear console box .................... 365
Rear seats
Adjustment............................ 138
Folding down ................ 141, 144
Rear side sunshade ................ 385
Rear step bumper .................... 121
Rear turn signal lights ............ 225 Replacing light bulbs ............ 454
Turn signal lever ................... 225
Wattage ................................ 532
Rear view mirror
Inside rear view mirror .......... 158
Outside rear view mirrors ..... 161
Rear view monitor system
*
Rear window ............................ 168
Rear window defoggers .......... 345
Rear window wiper .................. 241
PR
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.