
5688-2. Customization
4RUNNER (U)■
LDA (Lane Departure Alert) (
P. 260)
■PCS (Pre-Collision System) ( P. 250)
*: The system is automatically enabled each time the engine switc h is turned
to ON.
FunctionCustomized setting
Alert sensitivityHigh, StandardO–O
Vehicle sway warning functionOn, OffO–O
Vehicle sway warning sensitivityHigh, Standard, LowO–O
123
FunctionCustomized setting
PCS (Pre-Collision System)*On, OffO–O
Alert timing
(Far),
(Middle),
(Near)
O–O
123

5698-2. Customization
8
Vehicle specifications
4RUNNER (U)
■In the following situations, customize mode will automatically be turned
off.
● A warning message appears after the customize mode screen is displayed.
● The engine switch is turned to the “LOCK” position (without a smart key sys-
tem) or the engine switch is turned to OFF (with a smart key sy stem).
● The vehicle begins to move while the customize mode screen is displayed.
WARNING
■ During customization
As the engine needs to be running during customization, ensure that the
vehicle is parked in a place with adequate ventilation. In a closed area such
as a garage, exhaust gases including harmful carbon monoxide (CO) may
collect and enter the vehicle. This may lead to death or a seri ous health
hazard.
NOTICE
■ During customization
To prevent battery discharge, ensure that the engine is running while cus-
tomizing features.

586
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. 107)
●If you lose your keys or electronic keys, the risk of vehicle t heft increases
significantly. Contact your Toyota dealer immediately. ( P. 109)
●Is the key battery weak or depleted? (P. 455)
●Vehicles with a smart key system:
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 2 1 1 )
●Vehicles with a smart key system:
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. 123)
●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. 114)
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

587What to do if... (Troubleshooting)
4RUNNER (U)
●Is the shift lever in P? (P. 207)
●Is the steering wheel unlocked? ( P. 207)
●Is the battery discharged? (P. 523)
●Did you press the engine switch while firmly depressing the bra ke pedal?
( P. 210)
●Is the shift lever in P? ( P. 213)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 120)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 521)
●Is the battery discharged? (P. 523)
●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 p edal with the
engine switch in the “ON” position. ( P. 219)
●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 p edal with the
engine switch in IGNITION ON mode. ( P. 219)
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

588What to do if... (Troubleshooting)
4RUNNER (U)
●It is locked to prevent theft of the vehicle if the key is pulled from the engine
switch. (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. 161)
●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. 212)
The steering wheel cannot be turned after the engine is
stopped (Vehicles without a smart key system)
The windows do not open or close by operating the power
window switches
The engine switch is tur ned off automatically
(vehicles with a smart key system)

589What 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. 489)
●The brake system warning light is on
Is the parking brake released? ( P. 222)
●The open door warning indicator is on
Are all the doors closed? (P. 110, 130)
Depending on the situation, other types of warning buzzer may a lso sound.
( P. 486, 497)
●Did anyone inside the vehicle open a door during setting the al arm?
The sensor detects it and the alarm sounds. ( P. 80)
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. 486.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 486, 497.
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds w hen leaving the vehicle
(vehicles with a smart key system)
A warning light turns on or a warning message is displayed

593Alphabetical index
4RUNNER (U)
Child safety ................................ 54Airbag precautions .................. 39
Back door precautions .......... 132
Battery precautions ....... 431, 526
Child restraint system ............. 55
How your child should
wear the seat belt ................. 33
Installing child restraints ......... 59
Moon roof precautions .......... 172
Power window lock switch .... 161
Power window precautions ... 164
Rear door child-protectors .... 114
Removed electronic key battery precautions ...... 457
Seat belt extender precautions ........................... 36
Seat belt precautions .............. 58
Seat heater precautions........ 367
Child-protectors....................... 114
Cleaning ........................... 404, 408 Exterior ................................. 404
Interior................................... 408
Seat belts .............................. 409
Wheels and wheel ornaments .......................... 405
Clock ......................................... 385
Compass .................................... 94
Condenser ................................ 427
Console box ............................. 373
Cooling system Engine overheating ............... 527
Crawl Control ........................... 323
Cruise control Dynamic radar cruise control................................. 268
Cup holders.............................. 374
Curtain shield airbags ............... 37
Customizable features ............ 557 Daytime running light
system.................................... 226
Defogger Front windshield ................... 361
Outside rear view
mirrors ........................ 354, 361
Rear window ................. 354, 361
Dimension ................................ 532
Dinghy towing.......................... 206
Display Dynamic radar cruise control ................................ 268
LDA
(Lane Departure Alert) ....... 260
Multi-information display ......... 92
Trip information....................... 92
Warning message................. 497
Do-it-yourself maintenance .... 417
Door courtesy lights Wattage ................................ 541
Doors Automatic door locking
and unlocking system......... 115
Back door ............................. 130
Door lock ...................... 113, 131
Door windows ....................... 161
Open door warning buzzer ... 121
Open door warning light ....... 488
Outside rear view mirrors ..... 159
Rear door child-protector ...... 114
Side doors ............................ 110
Downhill assist control
system.................................... 320
Drive-Start Control .................. 175
Driver’s seat position memory .................................. 148D

594Alphabetical index
4RUNNER (U)
Driving ...................................... 174Break-in tips .......................... 176
Correct driving posture ........... 30
Driving assist systems .......... 333
Off-road precautions ............. 346
Procedures ........................... 174
Winter drive tips .................... 342
Dynamic radar cruise
control .................................... 268
Eco Driving Indicator .............. 100
EDR (Event data recorder) ........ 10
Electronic key .......................... 104 Battery-saving function ......... 122
If the electronic key does not operate properly ................. 520
Replacing the battery ............ 455
Emergency, in case of
If the electronic key does not operate
properly .............................. 520
If the engine will not start ...... 517
If the vehicle battery is discharged .......................... 523
If the warning buzzer sounds ................................ 486
If the warning light turns on ....................................... 486
If a warning message is displayed......................... 497
If the vehicle is submerged
or water on the road is
rising ................................... 477
If you cannot operate
back door opener ............... 519
If you have a flat tire ............. 502
If you think something is wrong .............................. 484
If your vehicle becomes stuck ................................... 530
If your vehicle has to be stopped in an emergency ... 475 If your vehicle needs
to be towed......................... 478
If your vehicle overheats....... 527
Emergency flashers ................ 474
Engine ACCESSORY mode ............. 211
Compartment ........................ 421
Engine switch ............... 207, 210
Hood ..................................... 420
How to start the engine ........................ 207, 210
Identification number ............ 533
If the engine will not start ...... 517
Ignition switch (engine switch) ........... 207, 210
Overheating .......................... 527
Engine coolant......................... 425
Capacity................................ 536
Checking............................... 425
Preparing and checking before winter ...................... 342
Engine coolant temperature gauge ....................................... 90
Engine immobilizer system ...... 78
Engine oil ................................. 423 Capacity................................ 535
Checking............................... 423
Preparing and checking before winter ...................... 342
Engine switch .................. 207, 210
Event data recorder (EDR)........ 10
Flat tire ..................................... 502
Floor mats .................................. 28
Fluid
Automatic transmission ........ 539
Brake .................................... 539
Power steering...................... 540
Washer ................................. 433
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