Page 510 of 528

510What to do if... (Troubleshooting)
4RUNNER (U)_(OM35B23U)
●Is the shift lever in P? (P. 191)
●Is the steering wheel unlocked? (P. 191)
●Is the battery discharged? (P. 448)
●Did you press the engine switch while firmly depressing the brake pedal?
(P. 194)
●Is the shift lever in P? (P. 196)
●Is the electronic key anywhere detectable inside the vehicle? (P. 104)
●Is the steering wheel unlocked? (P. 197)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 447)
●Is the battery discharged? (P. 448)
●Vehicles without a smart key system:
Is the engine switch in the “ON” position?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in the “ON” position. (P. 444)
●Vehicles with a smart key system:
Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode. (P. 444)
If you think something is wrong
The engine does not start
(vehicles without a smart key system)
The engine does not start
(vehicles with a smart key system)
The shift lever cannot be shifted from P even if you depress
the brake pedal
Page 511 of 528
511What to do if... (Troubleshooting)
4RUNNER (U)_(OM35B23U)
●Vehicles without a smart key system:
It is locked to prevent theft of the vehicle if the key is pulled from the engine
switch. (P. 192)
●Vehicles with a smart key system:
It is locked automatically to prevent theft of the vehicle. (P. 197)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. (P. 145)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. (P. 196)
The steering wheel cannot be turned after the engine is
stopped
The windows do not open or close by operating the power
window switches
The engine switch is turned off automatically
(vehicles with a smart key system)
Page 512 of 528

512What to do if... (Troubleshooting)
4RUNNER (U)_(OM35B23U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(P. 416)
●The brake system warning light is on
Is the parking brake released? (P. 203)
●The open door warning indicator is on
Are all the doors closed? (P. 96, 114)
Depending on the situation, other types of warning buzzer may also sound.
(P. 413, 422)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (P. 72)
To stop the alarm, turn the engine switch to IGNITION ON mode (vehicles
with a smart key system) 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. 413.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 413, 422.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
(vehicles with a smart key system)
A warning light turns on or a warning message is displayed
Page 517 of 528

517Alphabetical index
4RUNNER (U)_(OM35B23U)
Eco Driving Indicator ................ 83
EDR (Event data recorder) ........ 10
Electronic key ............................ 90
Battery-saving function ......... 106
If the electronic key does not
operate properly ................. 446
Replacing the battery ............ 379
Emergency flashers ................ 402
Emergency, in case of
If the electronic key
does not operate
properly .............................. 446
If the engine will not start ...... 442
If the shift lever
cannot be shifted from P .... 444
If the vehicle battery is
discharged .......................... 448
If the warning buzzer
sounds ................................ 413
If the warning light turns
on ....................................... 413
If the warning message
is displayed......................... 422
If you cannot operate
back door opener ............... 445
If you have a flat tire ............. 429
If you think something
is wrong .............................. 411
If your vehicle becomes
stuck ................................... 455
If your vehicle has to be
stopped in an emergency ... 403
If your vehicle needs
to be towed ......................... 405
If your vehicle overheats ....... 452Engine
ACCESSORY mode ............. 195
Compartment ........................ 350
Engine switch ............... 191, 194
Hood ..................................... 349
How to start the
engine ........................ 191, 194
Identification number ............ 459
If the engine will not start ...... 442
Ignition switch
(engine switch) ........... 191, 194
Overheating .......................... 452
Engine coolant......................... 355
Capacity................................ 464
Checking............................... 355
Preparing and checking
before winter ...................... 268
Engine coolant temperature
gauge ....................................... 81
Engine immobilizer system ...... 70
Engine oil ................................. 352
Capacity................................ 461
Checking............................... 352
Preparing and checking
before winter ...................... 268
Engine switch .................. 191, 194
Event data recorder (EDR)........ 10
E
Page 519 of 528

519Alphabetical index
4RUNNER (U)_(OM35B23U)
Head restraints ........................ 136
Headlights ................................ 204
Light switch ........................... 204
Replacing light
bulbs ................... 387, 389, 399
Wattage ................................ 469
Heaters
Air conditioning
system ........................ 278, 284
Outside rear view
mirrors ....................... 280, 286
Seat heaters ......................... 291
Hill-start assist control............ 260
Hood ......................................... 349
Hooks
Cargo hooks ......................... 303
Cargo net hooks ................... 304
Grocery bag hooks ............... 306
Retaining hooks (floor mat)..... 26
Horn .......................................... 139I/M test ...................................... 345
Identification
Engine .................................. 459
Vehicle .................................. 459
Ignition switch
(engine switch) .............. 191, 194
Illuminated entry system ........ 295
Immobilizer system ................... 70
Indicators ................................... 79
Initialization
Maintenance ......................... 341
Moon roof ............................. 154
Power back window .............. 150
Power windows..................... 146
Inside rear view mirror ............ 141
Instrument panel light
control ...................................... 82
Interior lights ........................... 293
Intuitive parking assist ........... 225
Jack
Vehicle-equipped jack .......... 429
Jack handle .............................. 433
Jam protection function
Moon roof ............................. 153
Power back window .............. 150
Power windows..................... 146
HI
J
Page 524 of 528

524Alphabetical index
4RUNNER (U)_(OM35B23U)
Side mirrors ............................. 143
Adjusting and folding ............ 143
Side turn signal lights ............. 202
Slide deck ................................. 306
Smart key system .................... 103
Antenna location ................... 103
Entry functions ........................ 96
Starting the engine................ 194
Snow tires ................................ 271
Spare tire .................................. 429
Inflation pressure .................. 468
Storage location .................... 430
Spark plug ................................ 464
Specifications .......................... 458
Speedometer .............................. 81
Steering lock ............................ 196
Column lock release ............. 197
Steering lock system
warning message ............... 428
Steering wheel ......................... 139
Adjustment ............................ 139
Storage feature ........................ 296
Storage precautions ................ 171Stuck
If the vehicle becomes
stuck ................................... 455
Sun visors ................................ 308
Switches
Cruise control switch ............ 221
“DISP” button .......................... 84
Door lock switches.................. 98
Driving position memory
switches ............................. 132
Emergency flashers switch ... 402
Engine switch ............... 191, 194
Fog light switch ..................... 210
Garage door opener
switches ............................. 320
Ignition switch ............... 191, 194
Light switches ....................... 204
Moon roof switches............... 152
Outside rear view mirror
switches ............................. 143
Power back window
switch ................................. 148
Power door lock switch ........... 98
Power window switches........ 145
Rear window and outside
rear view mirror defoggers
switch ......................... 280, 286
Rear window wiper and
washer switch..................... 215