2021 TOYOTA 4RUNNER warning light

581Alphabetical index
4RUNNER (U)
Child safety ................................ 52Airbag precautions .................. 37
Back door precautions .......... 133
Battery precautions ....... 418, 513
Child restraint system ............. 53
How your child should
wear the seat belt ................. 31
Installing child restraints ......... 57
Moon roof precautions .......... 173
Power window lock switch .... 162
Power window precautions ... 165
Rear door child-protectors .... 114
Removed electronic key battery precautions ...... 445
Seat belt extender precautions ........................... 34
Seat belt precautions .............. 56
Seat heater precautions........ 355
Child-protectors....................... 114
Cleaning ........................... 392, 395 Exterior ................................. 392
Interior................................... 395
Seat belts .............................. 396
Wheels and wheel ornaments .......................... 393
Clock ......................................... 373
Compass .................................... 92
Condenser ................................ 414
Console box ............................. 361
Cooling system Engine overheating ............... 514
Crawl Control ........................... 310
Cruise control Dynamic radar cruise control................................. 272
Cup holders.............................. 362
Curtain shield airbags ............... 35
Customizable features ............ 545 Daytime running light
system.................................... 228
Defogger Front windshield ................... 349
Outside rear view
mirrors ........................ 342, 349
Rear window ................. 342, 349
Dimension ................................ 520
Dinghy towing.......................... 208
Display Dynamic radar cruise control ................................ 272
LDA
(Lane Departure Alert) ....... 264
Multi-information display ......... 90
Trip information....................... 90
Warning message................. 484
Do-it-yourself maintenance .... 404
Door courtesy lights Wattage ................................ 529
Doors Automatic door locking
and unlocking system......... 115
Back door ............................. 131
Door lock ...................... 113, 132
Door windows ....................... 162
Open door warning buzzer ... 120
Open door warning light ....... 476
Outside rear view mirrors ..... 160
Rear door child-protector ...... 114
Side doors ............................ 110
Downhill assist control
system.................................... 307
Drive-Start Control .................. 177
Driver’s seat position memory .................................. 149D

582Alphabetical index
4RUNNER (U)
Driving ...................................... 176Break-in tips .......................... 178
Correct driving posture ........... 28
Driving assist systems .......... 320
Off-road precautions ............. 333
Procedures ........................... 176
Winter drive tips .................... 329
Dynamic radar cruise
control .................................... 272
Eco Driving Indicator ................ 97
EDR (Event data recorder) ........ 10
Electronic key .......................... 102 Battery-saving function ......... 121
If the electronic key does not operate properly ................. 507
Replacing the battery ............ 443
Emergency, in case of
If the electronic key does not operate
properly .............................. 507
If the engine will not start ...... 504
If the vehicle battery is discharged .......................... 510
If the warning buzzer sounds ................................ 474
If the warning light turns on ....................................... 474
If a warning message is displayed......................... 484
If you cannot operate
back door opener ............... 506
If you have a flat tire ............. 489
If you think something is wrong .............................. 472
If your vehicle becomes stuck ................................... 517
If your vehicle has to be stopped in an emergency ... 463
If your vehicle needs
to be towed ......................... 466
If your vehicle overheats ....... 514 Emergency flashers ................ 462
Engine
ACCESSORY mode ............. 213
Compartment ........................ 408
Engine switch ............... 209, 212
Hood ..................................... 407
How to start the engine ........................ 209, 212
Identification number ............ 521
If the engine will not start ...... 504
Ignition switch (engine switch) ........... 209, 212
Overheating .......................... 514
Engine coolant......................... 412
Capacity................................ 524
Checking............................... 412
Preparing and checking before winter ...................... 329
Engine coolant temperature gauge ....................................... 88
Engine immobilizer system ...... 76
Engine oil ................................. 410 Capacity................................ 523
Checking............................... 410
Preparing and checking
before winter ...................... 329
Engine switch .................. 209, 212
Event data recorder (EDR)........ 10
Flat tire ..................................... 489
Floor mats .................................. 26
Fluid
Automatic transmission ........ 527
Brake .................................... 527
Power steering...................... 528
Washer ................................. 420
Fog lights ................................. 234
Replacing light bulbs ............ 449
Switch ................................... 234
Wattage ................................ 529
Four-wheel drive system............................ 292, 296
E
F

583Alphabetical index
4RUNNER (U)
Front passenger occupant classification system .............. 46
Front personal lights ............... 358
Front seats ............................... 136 Adjustment ............................ 136
Cleaning................................ 395
Correct driving posture ........... 28
Driving position memory ....... 149
Head restraints ..................... 153
Seat heaters ......................... 355
Seat position memory ........... 149
Seat ventilators ..................... 355
Front side marker lights.......... 225 Light switch ........................... 225
Replacing light bulbs............. 454
Wattage ................................ 529
Front turn signal lights ........... 223
Replacing light bulbs............. 452
Turn signal lever ................... 223
Wattage ................................ 529
Fuel ........................................... 242 Capacity ................................ 522
Fuel gauge .............................. 88
Fuel pump shut off system.... 473
Information ............................ 530
Refueling............................... 242
Type .............................. 242, 522
Warning light ......................... 477
Fuel filler door.......................... 242 Refueling............................... 242
Fuel pump shut off system ..... 473
Fuses ........................................ 446
Garage door opener ................ 384
Gauges ....................................... 88
Glove box ................................. 361
Grocery bag hooks .................. 370 Head restraints ........................ 153
Headlights ................................ 225
Automatic High Beam system .......... ...................... 230
Light switch ........................... 225
Replacing light bulbs .... 451, 459
Wattage ................................ 529
Heaters Air conditioning system ....... ................. 340, 347
Outside rear view mirrors ....................... 342, 349
Seat heaters ......................... 355
Hill-start assist control ........... 321
Hood ......................................... 407
Hooks Cargo hooks ......................... 367
Cargo net hooks ................... 368
Grocery bag hooks ............... 370
Retaining hooks (floor mat) .... 26
Horn .......................................... 156
G
H

584Alphabetical index
4RUNNER (U)
I/M test ...................................... 403
IdentificationEngine................................... 521
Vehicle .................................. 521
Ignition switch (engine switch) .............. 209, 212
Illuminated entry system ........ 359
Immobilizer system ................... 76
Indicators ................................... 85
Initialization
Maintenance ......................... 399
Moon roof.............................. 172
Power back window .............. 168
Power windows ..................... 164
Inside rear view mirror ............ 158
Instrument panel light control ...................................... 89
Interior lights............................ 357
Intuitive parking assist............ 285 Jack
Vehicle-equipped jack .......... 489
Jack handle .............................. 493
Jam protection function Moon roof ............................. 171
Power back window .............. 168
Power windows..................... 163
KDSS ........................................ 321
Keyless entry ........................... 118 Smart key system ................. 118
Wireless remote control ........ 110
Keys .......................................... 102 Battery-saving function ......... 121
Electronic key ....................... 102
Engine switch ............... 209, 212
If the electronic key
does not operate
properly .............................. 507
Key number plate ................. 102
Keyless entry ........................ 110
Mechanical key ..................... 104
Replacing the battery............ 443
Warning buzzer .................... 120
Wireless remote control
key...................................... 110
Knee airbags .............................. 35
IJ
K

585Alphabetical index
4RUNNER (U)
LATCH anchors ......................... 59
LeverAuxiliary catch lever .............. 407
Hood lock release lever ........ 407
Shift lever .............................. 218
Turn signal lever ................... 223
Wiper lever.................... 236, 239
License plate lights ................. 225 Light switch ........................... 225
Replacing light bulbs............. 458
Wattage ................................ 529
Light bulbs Replacing .............................. 451
Wattage ................................ 529
Lights Automatic High Beam
system ......... ....................... 230
Fog light switch ..................... 234
Front Interior light.................. 358
Headlight switch.................... 225
Interior lights list .................... 357
Luggage compartment lights ................................... 133
Personal lights ...................... 358
Rear interior light .................. 358
Replacing light bulbs............. 451
Turn signal lever ................... 223
Vanity lights .......................... 372
Wattage ................................ 529
Limited slip differential ........... 321
Load capacity........................... 191
Lock steering column ........................... 210, 215
Luggage compartment features .................................. 367 Maintenance
Do-it-yourself maintenance... 404
General maintenance ........... 400
Maintenance data ................. 520
Maintenance requirements ... 398
Resetting the message indicating maintenance is
required .............................. 399
Malfunction indicator lamp..... 475
Manual air conditioning system.................................... 340
Master warning light ....... 478, 484
Meter ........................................... 88 Indicators ................................ 85
Instrument panel light control .................................. 89
Meters..................................... 88
Multi-information display ......... 90
Warning lights ......................... 83
Mirrors Inside rear view mirror .......... 158
Outside rear view mirror defoggers ................... 342, 349
Outside rear view mirrors ..... 160
Vanity mirrors ....................... 372
Moon roof ................................. 170
Door lock linked moon roof operation ........... 172
Jam protection function ........ 171
Operation .............................. 170
LM

586Alphabetical index
4RUNNER (U)
Multi Terrain ABS .................... 320
Multi-information display .......... 90Driving information .................. 93
Dynamic radar cruise control................................. 272
Language .............................. 555
LDA (Lane Departure Alert)........ 264
Outside temperature ............... 97
PCS (Pre-Collision System)........ 254
Settings ................................... 96
Warning messages ............... 484
Multi-terrain Select .................. 313
Navigation system
*
Noise from under vehicle............ 8
Odometer.................................... 88
Off-road precaution s ............... 333
Oil Engine oil .............................. 410
Opener Back door.............................. 132
Hood ..................................... 407
Outer foot lights....................... 357
Outside rear view mirrors ....... 160
Adjusting and folding ............ 160
Outside rear view mirror defoggers ......... 342, 349
Outside temperature display ...................................... 97
Overhead console ................... 364
Overheating, Engine................ 514 Parking brake........................... 224
Operation .............................. 224
Parking brake engaged warning buzzer ................... 474
PCS (Pre-Collision System).......... 254 Warning light......................... 214
Parking lights........................... 225 Light switch ........................... 225
Replacing light bulbs ............ 452
Wattage ................................ 529
Pen holder ................................ 365
Personal lights......................... 358
Power back window ................ 166 Jam protection function ........ 168
Operation .............................. 166
Power outlets ................... 374, 378
Power steering Fluid ...................................... 416
Warning light......................... 476
Power windows ....................... 162 Door lock linked
window operation ............... 164
Jam protection function ........ 163
Operation .............................. 162
Window lock switch .............. 162
N
O
P

587Alphabetical index
4RUNNER (U)
Radiator .................................... 414
Rear differential lock system .................................... 304
Rear seats
Adjustment ............................ 139
Folding down ........ 141, 143, 145
Rear step bumper .................... 132
Rear turn signal lights............. 223
Replacing light bulbs............. 456
Turn signal lever ................... 223
Wattage ................................ 529
Rear view mirror Inside rear view mirror .......... 158
Outside rear view mirrors...... 160
Rear view monitor system
*
Rear window ............................ 166
Rear window defoggers ....................... 342, 349
Rear window wiper .................. 239
Refueling .................................. 242
Capacity ................................ 522
Fuel types ............................. 522
Opening the fuel tank cap ..... 244
Replacing Fuses .................................... 446
Key battery............................ 443
Light bulbs ............................ 449
Tires ...................................... 489
Reporting safety defects
for U.S. owners ...................... 560
Resetting the message indicating maintenance
is required .............................. 399
Roof luggage carrier ............... 186 Safety Connect .......................... 70
Seat belt reminder light .......... 477
Seat belts ................................... 30
Adjusting the seat belt ............ 30
Automatic Locking
Retractor (ALR) .................... 31
Child restra int system
installation ............................ 62
Cleaning and maintaining the seat belt........................ 396
Emergency Locking Retractor (ELR) .................... 31
How to wear your seat belt ..... 30
How your child should wear
the seat belt.......................... 31
Pregnant women, proper
seat belt use ......................... 32
Reminder light and buzzer.... 477
Seat belt extender .................. 31
Seat belt pretensioners........... 31
SRS warning light ................. 475
Seat heaters ............................. 355
Seat position memory ............. 149
Seat ventilators........................ 355
Seating capacity ...................... 191
RS
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

588Alphabetical index
4RUNNER (U)
Seats ................................. 136, 139Adjustment .................... 136, 139
Adjustment
precautions ................. 138, 148
Child seats/child restraint
system installation . ............... 57
Cleaning................................ 395
Driving position memory ....... 149
Head restraints ..................... 153
Properly sitting in the seat ...... 28
Seat heaters ......................... 355
Seat position memory ........... 149
Seat ventilators ..................... 355
Sensor
Automatic headlight system ......... ....................... 228
Inside rear view mirror .......... 159
Intuitive parking assist .......... 285
Service reminder indicators ..... 82
Shift lever ................................. 218 Automatic transmission......... 218
If the shift lever cannot be shifted from P .... 221 Shift lock system ..................... 220
Side airbags ............................... 35
Side marker lights ................... 225
Light switch ........................... 225
Replacing light bulbs ............ 454
Wattage ................................ 529
Side mirrors ............................. 160 Adjusting and folding ............ 160
Side turn signal lights ............. 223
Slide deck................................. 370
Smart key system .................... 118 Antenna location ................... 118
Entry functions ...................... 110
Starting the engine ............... 212
Snow tires ................................ 332
Spare tire .................................. 489 Inflation pressure .................. 528
Storage location.................... 490
Spark plug ................................ 524
Specifications .......................... 520
Speedometer.............................. 88
Steering lock ............................ 215 Column lock release ............. 215
Steering lock system
warning message ............... 215
Steering wheel ......................... 156 Adjustment............................ 156
Storage feature ........................ 360
Storage precautions................ 189
Stuck If the vehicle becomes stuck ................................... 517
Sun visors ................................ 372