Page 577 of 608
577
Index
4RUNNER (U)What to do if...
(Troubleshooting) .................... 578
Alphabetical index ..................... 582
For details of equipment relat ed to the audio/navigation
system, refer to the “NAVIGATION AND MULTIMEDIA
SYSTEM OWNER’S MANUAL”.
Page 578 of 608

578
4RUNNER (U)
What to do if... (Troubleshooting)
What to do if... (Troubleshooting)
●If you lose your keys or mechanical keys, new genuine mechanical keys
can be made by your Toyota dealer. ( P. 103)
●If you lose your keys or electronic keys, the risk of vehicle t heft increases
significantly. Contact your Toyota dealer immediately. ( P. 105)
●Is the key battery weak or depleted? (P. 447)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 200)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of t he radio
wave. ( P. 117)
●Is the child-protector lock set?
The rear door cannot be opened from inside the vehicle when the lock is
set. Open the rear door from outside and then unlock the child-protector
lock. ( P. 109)
If you have a problem, check the following before contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The rear door cannot be opened
Page 579 of 608

579What to do if... (Troubleshooting)
4RUNNER (U)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 199)
●Is the shift lever in P? ( P. 202)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 114)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 513)
●Is the battery discharged? (P. 515)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake p edal with the
engine switch in IGNITION ON mode. ( P. 208)
●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. 155)
●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 peri od of
time. ( P. 201)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress
the brake pedal
The windows do not open or close by operating the power
window switches
The engine switch is tur ned off automatically
Page 580 of 608

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
Page 581 of 608
581What to do if... (Troubleshooting)
4RUNNER (U)
●Stop the vehicle in a safe place and replace the flat tire with the spare
tire. ( P. 493)
●Try the procedure for when the vehicle becomes stuck in mud, di rt, or
snow. ( P. 522)
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck
Page 582 of 608

582
4RUNNER (U)
Alphabetical index
Alphabetical index
A/C .................................... 342, 349Air conditioning filter ............. 445
ABS (Anti-lock Brake System)...... 322
Function ................................ 322
Warning light ......................... 478
Active head restraints ............. 130
Active traction control ............ 302
Air conditioning filter .............. 445
Air conditioning
system ............................ 342, 349 Air conditioning filter ............. 445
Airbags ....................................... 37
Airbag operating conditions .... 44
Airbag precautions for your child ......................... 39
Airbag warning light .............. 478
Correct driving posture ........... 30
Curtain shield airbag operating conditions ............. 44
Curtain shield airbag precautions ........................... 41
Front passenger occupant classification syst em............. 48
General airbag precautions .... 39
Locations of airbags................ 37
Modification and disposal of airbags.............................. 43
Side airbag operating
conditions ............................. 44
Side airbag precautions .......... 39
Side and curtain shield airbags operating conditions ............. 44
Side and curtain shield airbags precautions .............. 39
SRS airbags............................ 37 Alarm .......................................... 79
Alarm ...................................... 79
Warning buzzer .................... 477
Anchor brackets ........................ 59
Antennas (smart key system) ............... 113
Anti-lock Brake System (ABS) ...................................... 322
Function ................................ 322
Warning light......................... 478
Armrest..................................... 386
Assist grip ................................ 386
Audio system
*
AUTO LSD system................... 304
Automatic air conditioning
system.................................... 349
Automatic High Beam ............. 217
Automatic light control
system.................................... 212
Automatic running boards ..... 121
Automatic transmission ......... 205
If the shift lever cannot be shifted from P .... 208
S mode ................................. 206
AUX port
*
Auxiliary boxes ........................ 367
A
Page 583 of 608

583Alphabetical index
4RUNNER (U)
Back doorBack door.............................. 124
Back window ......................... 158
Smart key system ................. 113
Wireless remote control ........ 106
Back window ............................ 158
Back-up lights Replacing light bulbs............. 461
Wattage ................................ 533
Battery ...................................... 422
Battery checking ................... 422
If the vehicle battery is discharged ...................... 515
Preparing and checking before winter....................... 331
Warning light ......................... 477
Bottle holders .......................... 369
Brake Fluid ...................................... 419
Parking brake........................ 211
Warning light ......................... 477
Brake assist ............................. 322
Brake override system ............ 167
Break-in tips ............................. 168
Brightness control Instrument panel light
control................................... 89 Care .................................. 396, 400
Exterior ................................. 396
Interior .................................. 400
Seat belts.............................. 401
Wheels and wheel ornaments .......................... 397
Cargo capacity......................... 181
Cargo hooks ............................ 370
Cargo net hooks ...................... 371
Center differential lock ........... 298
Chains ...................................... 333
Child restraint system............... 55 Booster seats, definition ......... 56
Booster seats, installation....... 67
Convertible seats, definition ... 56
Convertible seats,
installation ............................ 64
Front passenger occupant classification syst em ............ 48
Infant seats, definition............. 56
Infant seats, installation .......... 64
Installing CRS with LATCH anchors ............ 61
Installing CRS with seat belts...................................... 64
Installing CRS
with top tether strap.............. 68
BC
*: Refer to the “NAVIGATION AND MULTIMEDIA SYSTEM OWNER’S MANUAL”.
Page 584 of 608

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