engine overheat TOYOTA 4RUNNER 2023 User Guide

465
When trouble arises7
4RUNNER (U)7-1. Essential information
Emergency flashers .......... 466
If your vehicle has to be stopped in
an emergency ................. 467
If the vehicle is submerged or water
on the road is rising ........ 468
7-2. Steps to take in an emergency
If your vehicle needs to be towed ..................... 469
If you think something is wrong .......................... 475
Fuel pump shut off system ............................ 476
If a warning light turns on or a warning
buzzer sounds ................ 477
If a warning message is displayed ..................... 488
If you have a flat tire.......... 493
If the engine will not start ................................. 509
If you cannot operate back door opener ............ 511
If the electronic key does not operate
properly ........................... 512
If the vehicle battery is discharged ................... 515
If your vehicle overheats ........................ 519
If the vehicle becomes stuck ............................... 522

5197-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)
●The needle of the engine coolant temperature gauge ( P. 8 8 )
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 “F” and “L”
lines on the reservoir.Reservoir
“F” line
“L” line
Radiator cap
If your vehicle overheats
The following may indicate that your vehicle is overheating:
Correction procedures
1
2
3
1
2
4
1
2
3
4

584Alphabetical index
4RUNNER (U)
Child safety ................................ 54Airbag precautions .................. 39
Back door precautions .......... 126
Battery precautions ....... 423, 518
Child restraint system ............. 55
How your child should
wear the seat belt ................. 33
Installing child restraints ......... 59
Moon roof precautions .......... 164
Power window lock switch .... 155
Power window precautions ... 157
Rear door child-protectors .... 109
Removed electronic key battery precautions ...... 448
Seat belt extender precautions ........................... 36
Seat belt precautions .............. 58
Seat heater precautions........ 357
Child-protectors....................... 109
Cleaning ........................... 396, 400 Exterior ................................. 396
Interior................................... 400
Seat belts .............................. 401
Wheels and wheel ornaments .......................... 397
Clock ......................................... 376
Compass .................................... 92
Condenser ................................ 419
Console box ............................. 364
Cooling system Engine overheating ............... 519
Crawl Control ........................... 312
Cruise control Dynamic radar cruise control................................. 257
Cup holders.............................. 365
Curtain shield airbags ............... 37
Customizable features ............ 549 Daytime running light
system.................................... 215
Defogger Front windshield ................... 351
Outside rear view
mirrors ........................ 344, 351
Rear window ................. 344, 351
Dimension ................................ 524
Dinghy towing.......................... 198
Display Dynamic radar cruise control ................................ 257
LDA
(Lane Departure Alert) ....... 249
Multi-information display ......... 90
Trip information....................... 90
Warning message................. 488
Do-it-yourself maintenance .... 409
Door courtesy lights Wattage ................................ 533
Doors Automatic door locking
and unlocking system......... 109
Back door ............................. 124
Door lock ...................... 108, 124
Door windows ....................... 155
Open door warning buzzer ... 115
Open door warning light ....... 479
Outside rear view mirrors ..... 153
Rear door child-protector ...... 109
Side doors ............................ 106
Downhill assist control
system.................................... 309
Drive-Start Control .................. 167
Driver’s seat position memory .................................. 142D

585Alphabetical index
4RUNNER (U)
Driving ...................................... 166Break-in tips .......................... 168
Correct driving posture ........... 30
Driving assist systems .......... 322
Off-road precautions ............. 335
Procedures ........................... 166
Winter drive tips .................... 331
Dynamic radar cruise
control .................................... 257
Eco Driving Indicator ................ 98
EDR (Event data recorder) ........ 10
Electronic key .......................... 102 Battery-saving function ......... 116
If the electronic key does not operate properly ................. 512
Replacing the battery ............ 447
Emergency, in case of
If the electronic key does not operate
properly .............................. 512
If the engine will not start ...... 509
If the vehicle battery is discharged .......................... 515
If the warning buzzer sounds ................................ 477
If the warning light turns on ....................................... 477
If a warning message is displayed......................... 488
If the vehicle is submerged
or water on the road is
rising ................................... 468
If you cannot operate
back door opener ............... 511 If you have a flat tire ............. 493
If you think something
is wrong .............................. 475
If your vehicle becomes stuck ................................... 522
If your vehicle has to be stopped in an emergency ... 467
If your vehicle needs
to be towed......................... 469
If your vehicle overheats....... 519
Emergency flashers ................ 466
Engine
ACCESSORY mode ............. 200
Compartment ........................ 413
Engine switch ....................... 199
Hood ..................................... 412
How to start the engine......... 199
Identification number ............ 525
If the engine will not start ...... 509
Ignition switch (engine switch) ................... 199
Overheating .......................... 519
Engine coolant......................... 417
Capacity................................ 528
Checking............................... 417
Preparing and checking before winter ...................... 331
Engine coolant temperature gauge ....................................... 88
Engine immobilizer system ...... 78
Engine oil ................................. 415
Capacity................................ 527
Checking............................... 415
Preparing and checking before winter ...................... 331
Engine switch .......................... 199
Event data recorder (EDR)........ 10
E

589Alphabetical index
4RUNNER (U)
MaintenanceDo-it-yourself maintenance ... 409
General maintenance ........... 405
Maintenance data ................. 524
Maintenance requirements ... 403
Resetting the message indicating maintenance is
required .............................. 404
Malfunction indicator lamp ..... 478
Manual air conditioning system .................................... 342
Master warning light........ 481, 488
Meter ........................................... 88 Indicators ................................ 85
Instrument panel light control................................... 89
Meters ..................................... 88
Multi-information display ......... 90
Warning lights ......................... 83
Mirrors Inside rear view mirror .......... 151
Outside rear view mirror defoggers ................... 344, 351
Outside rear view mirrors...... 153
Vanity mirrors........................ 375
Moon roof ................................. 161
Door lock linked moon roof operation ........... 163
Jam protection function......... 162
Operation .............................. 161 Multi Terrain ABS .................... 322
Multi-information display.......... 90
Driving information.................. 93
Dynamic radar cruise control ................................ 257
Language.............................. 559
LDA (Lane Departure Alert) ....... 249
Outside temperature ............... 98
PCS (Pre-Collision System) ....... 239
Settings................................... 96
Warning messages ............... 488
Multi-terrain Select .................. 315
Navigation system
*
Noise from under vehicle ........... 8
Odometer ................................... 88
Off-road precaution s ............... 335
Oil Engine oil .............................. 415
Opener Back door ............................. 124
Hood ..................................... 412
Outer foot lights ...................... 360
Outside rear view mirrors ....... 153
Adjusting and folding ............ 153
Outside rear view mirror defoggers ......... 344, 351
Outside temperature display...................................... 98
Overhead console ................... 367
Overheating, Engine ............... 519
M
N
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*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.