engine TOYOTA 4RUNNER 2023 Owners Manual

580What to do if... (Troubleshooting)
4RUNNER (U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(P. 480)
●The brake system warning light is on
Is the parking brake released? ( P. 2 1 1 )
●The open door warning indicator is on
Are all the doors closed? (P. 106, 124)
Depending on the situation, other types of warning buzzer may a lso sound.
( P. 477, 488)

●Did anyone inside the vehicle open a door during setting the al arm?
The sensor detects it and the alarm sounds. ( P. 79)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine.
●Is the electronic key left inside the vehicle?
Check the message on the multi-information display.
●When a warning light turns on, refer to P. 477.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 477, 488.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds w hen leaving the vehicle
A warning light turns on or a warning message is displayed

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

587Alphabetical index
4RUNNER (U)
Head restraints ........................ 146
Headlights ................................ 212Automatic High Beam system ......... ....................... 217
Light switch ........................... 212
Replacing light bulbs..... 455, 463
Wattage ................................ 533
Heaters Air conditioning system ....... ................. 342, 349
Outside rear view mirrors ....................... 344, 351
Seat heaters ......................... 357
Hill-start assist control............ 323
Hood ......................................... 412
Hooks Cargo hooks ......................... 370
Cargo net hooks ................... 371
Grocery bag hooks ............... 373
Retaining hooks (floor mat)..... 28
Horn .......................................... 149 I/M test ...................................... 408
Identification
Engine .................................. 525
Vehicle .................................. 525
Ignition switch (engine switch) ...................... 199
Illuminated entry system ........ 362
Immobilizer system ................... 78
Indicators ................................... 85
Initialization
Maintenance ......................... 404
Moon roof ............................. 163
Power back window .............. 159
Power windows..................... 156
Inside rear view mirror ............ 151
Instrument panel light control ...................................... 89
Interior lights ........................... 360
Intuitive parking assist ........... 277
HI

588Alphabetical index
4RUNNER (U)
JackVehicle-equipped jack........... 493
Jack handle .............................. 497
Jam protection function Moon roof.............................. 162
Power back window .............. 159
Power windows ..................... 155
KDSS......................................... 323
Keyless entry ........................... 113 Smart key system ................. 113
Wireless remote control ........ 106
Keys .......................................... 102 Battery-saving function ......... 116
Electronic key ....................... 102
Engine switch........................ 199
If the electronic key
does not operate
properly .............................. 512
Key number plate.................. 102
Keyless entry ........................ 106
Mechanical key ..................... 103
Replacing the battery ............ 447
Warning buzzer..................... 115
Wireless remote control
key ...................................... 106
Knee airbags .............................. 37 LATCH anchors ......................... 61
Lever
Auxiliary catch lever.............. 412
Hood lock release lever ........ 412
Shift lever.............................. 205
Turn signal lever ................... 210
Wiper lever ................... 223, 226
License plate lights ................. 212 Light switch ........................... 212
Replacing light bulbs ............ 462
Wattage ................................ 533
Light bulbs Replacing.............................. 455
Wattage ................................ 533
Lights Automatic High Beam
system .......... ...................... 217
Fog light switch ..................... 221
Front Interior light ................. 361
Headlight switch ................... 212
Interior lights list.................... 360
Luggage compartment lights ................................... 126
Personal lights ...................... 361
Rear interior light .................. 361
Replacing light bulbs ............ 455
Turn signal lever ................... 210
Vanity lights .......................... 375
Wattage ................................ 533
Limited slip differential ........... 323
Load capacity .......................... 181
Luggage compartment features .................................. 370
J
K
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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
O
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

592Alphabetical index
4RUNNER (U)
Shift lock system ..................... 207
Side airbags ............................... 37
Side marker lights ................... 212Light switch ........................... 212
Replacing light bulbs............. 458
Wattage ................................ 533
Side mirrors ............................. 153 Adjusting and folding ............ 153
Side turn signal lights ............. 210
Slide deck ................................. 373
Smart key system .................... 113 Antenna location ................... 113
Entry functions ...................... 106
Starting the engine................ 199
Snow tires ................................ 334
Spare tire .................................. 493 Inflation pressure .................. 532
Storage location .................... 494
Spark plug ................................ 528
Specifications .......................... 524
Speedometer .............................. 88
Steering wheel ......................... 149 Adjustment ............................ 149
Storage feature ........................ 363
Storage precautions ................ 179
Stuck If the vehicle becomes
stuck ................................... 522
Sun visors ................................ 375 Switches
Automatic High Beam
switch ................................. 217
Cruise control switch ............ 257
Door lock switches................ 108
Driving position memory switches ............................. 142
Emergency flashers switch ... 466
Engine switch ....................... 199
Fog light switch ..................... 221
Garage door opener
switches ............................. 387
Ignition switch ....................... 199
LDA (Lane Departure Alert) switch ................................. 249
Light switches ....................... 212
Moon roof switches............... 161
Outside rear view mirror switches ............................. 153
Power back window
switch ................................. 158
Power door lock switch ......... 108
Power window switches........ 155
Rear window and outside rear view mirror defoggers
switch ......................... 344, 351
Rear window wiper and
washer switch..................... 226
Seat heater switches ............ 357
Seat ventilator switches ........ 357
“SOS” button........................... 72
Telephone switches
*
VSC OFF switch ................... 324
Window lock switch .............. 155
Windshield wipers and washer switch.............. 223

593Alphabetical index
4RUNNER (U)
Tachometer ................................ 88
Tail lights .................................. 212Light switch ........................... 212
Telephone switches
*
Theft deterrent system
Alarm ...................................... 79
Engine immobilizer system ..... 78
Tire inflation pressure ............. 440 Maintenance data ................. 532
Warning light ......................... 481
Tire information ....................... 537 Glossary................................ 543
Size ....................................... 539
Tire identification number ..... 538
Uniform Tire Quality Grading............................... 541
Tire pressure warning system .................................... 429 Function ................................ 429
Installing tire pressure warning
valves and transmitters ...... 430
Registering ID codes ............ 431
Warning light ......................... 481 Tires .......................................... 427
Chains .................................. 333
Checking............................... 427
If you have a flat tire ............. 493
Inflation pressure .................. 532
Information............................ 537
Replacing.............................. 493
Rotating tires ........................ 428
Size....................................... 532
Snow tires ............................. 334
Spare tire .............................. 493
Tire pressure warning
system .......... ...................... 429
Warning light......................... 481
Tools ......................................... 494
Top tether strap ......................... 68
Total load capacity .................. 181
Towing Dinghy towing ....................... 198
Emergency towing ................ 472
Trailer towing ........................ 182
Toyota Safety Sense P ............ 232 Automatic High Beam ........... 217
Dynamic radar cruise
control ................................ 257
LDA (Lane Departure Alert) ....... 249
PCS (Pre-Collision System) ....... 239
T
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.

594Alphabetical index
4RUNNER (U)
TRAC (Traction Control) ......... 322
Trailer Sway Control................ 322
Transmission ........................... 205
Trip information ......................... 88
Trip meters ................................. 88
Turn signal lights..................... 210Replacing light bulbs..... 456, 460
Turn signal lever ................... 210
Wattage ................................ 533
USB port
*
Valet key ................................... 102
Vanity lights ............................. 375 Wattage ................................ 533
Vanity mirrors .......................... 375
Vehicle data recordings .............. 9
Vehicle identification number ................................... 525
Vehicle Stability Control (VSC) ...................................... 322
Ventilators
(seat ventilators) ................... 357
VSC (Vehicle Stability Control) .... 322 Warning buzzers
Brake system ....... ................. 477
Downshifting ......................... 208
Intuitive parking assist .......... 277
Lane departure alert function............................... 250
Open door............................. 479
Open moon roof reminder .... 483
Pre-collision warning ............ 239
Seat belt reminder ................ 480
Warning lights ........................... 83 ABS ...................................... 478
Automatic running boards indicator light ...................... 479
Brake override system .......... 480
Brake system ....... ................. 477
Center differential lock indicator light ...................... 479
Charging system................... 477
Drive-Start Control ................ 480
Four-wheel drive indicator light ...................... 479
KDSS .................................... 479
LDA indicator ........................ 481
Low engine oil pressure........ 477
Low fuel level ........................ 480
Low speed four-wheel drive indicator light ...................... 479
Malfunction indicator lamp .... 478
Master warning light ..... 481, 488
Multi-terrain Select indicator light ...................... 479
Open door............................. 479
PCS ...................................... 481
Power steering...................... 479
Rear differential lock indicator light ...................... 478
Seat belt reminder light......... 480
U
V
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596
4RUNNER (U)
Engine Immobilizer system
Certification