2015 TOYOTA 4RUNNER engine overheat

4507-2. Steps to take in an emergency
4RUNNER (U)_(OM35B18U)
●The needle of the engine coolant temperature gauge ( P. 8 1 )
enters the red zone or a loss of engine power is experienced.
(For example, the vehicle speed does not increase.)
● Steam comes out from under the hood.
Stop the vehicle in a safe place and turn off the air conditioning 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 sufficient ly, 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

512Alphabetical index
4RUNNER (U)_(OM35B18U)
Child safety ................................ 52Airbag precautions .................. 37
Back door precautions .......... 116
Battery precautions ....... 360, 449
Child restraint system ............. 53
How your child should
wear the seat belt ................. 31
Installing child restraints ......... 57
Moon roof precautions .......... 155
Power window lock switch .... 145
Power window precautions ... 147
Rear door child-protectors ...... 99
Removed electronic key battery precautions ...... 379
Seat belt extender precautions ........................... 34
Seat belt precautions .............. 56
Seat heater precautions........ 291
Child-protectors......................... 99
Cleaning ........................... 334, 336 Aluminum wheels.................. 334
Exterior ................................. 334
Interior................................... 336
Seat belts .............................. 337
Clock ......................................... 309
Compass .................................... 85
Condenser ................................ 355
Console box ............................. 297
Cooling system Engine overheating ............... 450
Crawl Control ........................... 249
Cruise control .......................... 221
Cup holders.............................. 298
Curtain shield airbags ............... 35
Customizable features ............ 481 Daytime running light
system.................................... 208
Defogger Front windshield ................... 286
Outside rear view
mirrors ........................ 280, 286
Rear window ................. 280, 286
Dimension ................................ 456
Dinghy towing.......................... 190
Display Multi-information display ......... 81
Trip information....................... 83
Warning message................. 421
Do-it-yourself maintenance .... 345
Door courtesy lights Wattage ................................ 465
Doors Automatic door locking and unlocking system......... 100
Back door ............................. 114
Door windows ....................... 145
Door lock ........................ 98, 115
Open door warning buzzer ... 105
Open door warning light ....... 414
Outside rear view mirrors ..... 143
Rear door child-protector ........ 99
Side doors .............................. 96
Downhill assist control system.................................... 246
Driver’s seat position memory .................................. 132
Driving ...................................... 158
Break-in tips.......................... 159
Correct driving posture ........... 28
Driving assist systems .......... 259
Off-road precautions ............. 272
Procedures ........................... 158
Winter drive tips .................... 268D

513Alphabetical index
4RUNNER (U)_(OM35B18U)
Eco Driving Indicator ................ 83
EDR (Event data recorder) ........ 10
Electronic key ............................ 90Battery-saving function ......... 106
If the electronic key does not
operate properly ................. 445
Replacing the battery ............ 377
Emergency, in case of If the electronic key does not operate
properly .............................. 445
If the engine will not start ...... 441
If the shift lever cannot be shifted from P .... 443
If the vehicle battery is discharged .......................... 447
If the warning buzzer sounds ................................ 412
If the warning light turns
on ....................................... 412
If the warning message is displayed......................... 421
If you cannot operate back door opener ............... 444
If you have a flat tire ............. 428
If you think something is wrong .............................. 410
If your vehicle becomes stuck ................................... 453
If your vehicle has to be stopped in an emergency ... 401
If your vehicle needs
to be towed ......................... 403
If your vehicle overheats ....... 450 Emergency flashers ................ 400
Engine
ACCESSORY mode ............. 195
Compartment ........................ 349
Engine switch ............... 191, 194
Hood ..................................... 348
How to start the engine ........................ 191, 194
Identification number ............ 457
If the engine will not start ...... 441
Ignition switch (engine switch) ........... 191, 194
Overheating .......................... 450
Engine coolant......................... 354
Capacity................................ 460
Checking............................... 354
Preparing and checking before winter ...................... 268
Engine coolant temperature gauge ....................................... 81
Engine immobilizer system ...... 70
Engine oil ................................. 351 Capacity................................ 459
Checking............................... 351
Preparing and checking
before winter ...................... 268
Engine switch .................. 191, 194
Event data recorder (EDR)........ 10
E

517Alphabetical index
4RUNNER (U)_(OM35B18U)
MaintenanceDo-it-yourself maintenance ... 345
General maintenance ........... 341
Maintenance data ................. 456
Maintenance requirements ... 339
Reset the maintenance data .................................... 340
Malfunction indicator lamp ..... 412
Manual air conditioning system .................................... 278
Master warning light................ 421
Meter ........................................... 81 Indicators ................................ 79
Instrument panel light
control................................... 82
Meters ..................................... 81
Multi-information display ......... 83
Warning lights ......................... 77
Mirrors
Inside rear view mirror .......... 141
Outside rear view mirror defoggers ................... 280, 286
Outside rear view mirrors...... 143
Vanity mirrors........................ 308
Moon roof ................................. 152 Door lock linked
moon roof operation ........... 154
Jam protection function......... 153
Operation .............................. 152
Multi-information display .......... 83 Customizing vehicle features ................................ 86
Driving monitor........................ 84
Switching the display .............. 84
Trip information ....................... 83
Warning message ................. 421
Multi Terrain ABS .................... 259
Multi-terrain Select .................. 252 Navigation system*
Noise from under vehicle ........... 8
Odometer ................................... 81
Off-road precaution
s ............... 272
Oil Engine oil .............................. 351
Opener
Back door ............................. 115
Hood ..................................... 348
Outer foot lights ...................... 293
Outside rear view mirrors ....... 143
Adjusting and folding ............ 143
Outside rear view mirror defoggers ......... 280, 286
Outside temperature display.................................... 310
Overhead console ................... 300
Overheating, Engine ............... 450
MN
O
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.