sensor TOYOTA 4RUNNER 2021 (in English) Service Manual

5488-2. Customization
4RUNNER (U)■
Wireless remote control (P. 102, 110, 131)
■Driving position memory* (P. 149)
*: If equipped
■
Automatic light control system* (P. 225)
*: If equipped
FunctionDefault settingCustomized setting
Wireless remote control OnOff – – O
Panic functionOnOff – – O
Unlocking operation Driver’s door
unlocked in
one step, all
doors
unlocked in
two stepsAll doors
unlocked in
one step
–OO
123
FunctionDefault settingCustomized
setting
Selecting the door linking
driving position memory
with door unlock operation Driver’s door All doors – – O
123
FunctionDefault settingCustomized
setting
Time elapsed before head-
lights automatically turn off
after doors are closed 30 secondsOff
–OO
60 seconds
90 seconds
Light sensor sensitivity Level 3 Levels 1 to 5 – O O
123

5518-2. Customization
8
Vehicle specifications
4RUNNER (U)■
Meters (
P. 8 8 )
*: If equipped
■
Front automatic air conditioning system* ( P. 347)
*: If equipped
FunctionDefault settingCustomized
setting
Sensitivity of the ambient
light sensor used for dim-
ming the meter lights etc.
*
Standard -2 to 2 – – O
Sensitivity of the ambient
light sensor used for
brightening the meter
lights etc.
*
Standard -2 to 2 – – O
123
FunctionDefault settingCustomized setting
Switching between out-
side air and recirculated air
mode linked to automatic
mode button operation Auto Manual – O O
A/C automatic mode but-
ton operation Auto Manual – O O
123

5548-2. Customization
4RUNNER (U)■
Toyota parking assist-sensor* (P. 2 8 5 )
*: If equipped
■
Seat belt reminder ( P. 474)
FunctionDefault settingCustomized
setting
Detection distance of the
rear center sensor Far Near – O O
Buzzer volume Level 2 Level 1 to 3 – O O
FunctionDefault settingCustomized setting
Vehicle speed linked seat
belt reminder buzzerOnOff – – O
123
123

577What 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. 477)
●The brake system warning light is on
Is the parking brake released? ( P. 224)
●The open door warning indicator is on
Are all the doors closed? (P. 110, 131)
Depending on the situation, other types of warning buzzer may a lso sound.
( P. 474, 484)

●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 ( 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. 474.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 474, 484.
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

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