2017 TOYOTA 4RUNNER sensor

4217-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B37U)
*1: Parking brake engaged warning buzzer:A buzzer will sound if the vehicle is driven at a speed of approximately \
3
mph (5 km/h) or more.
*2: Open door warning buzzer:The open door warning buzzer sounds to alert one or more of the doors is
not fully closed (with the vehicle having reached a speed of 3 mph [5 km/h]).
*3: Driver’s and front passenger’s seat belt buzzer:The driver’s and front passenger’s seat belt buzzer sounds to alert the
driver and front passenger that
his or her seat belt is not fastened. The
buzzer sounds intermittently for 10 seconds after the vehicle reaches a
speed of 12 mph (20 km/h). Then, if the seat belt is still unfastened, the
buzzer will sound in a different tone for 20 more seconds.
■ SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (rear), safing
sensor (rear), driver's seat belt buckle switch, front passenger occupant clas-
sification system (ECU and sensors) , “AIR BAG ON” and “AIR BAG OFF”
indicator lights, front passenger's seat belt buckle switch, seat belt p\
reten-
sioners, airbags, interconnecting wiring and power sources. (→P. 3 5 )
■ Key reminder buzzer (vehicles without a smart key system)
The buzzer indicates that the key has not been removed with the engine off
and the driver’s door opened.
■ Open moon roof reminder buzzer (if equipped)
The buzzer indicates that the moon roof is not fully closed with the engine off
and the driver’s door opened.
■ Front passenger detection sensor, passenger seat belt reminder and
warning buzzer
● If luggage is placed on the front passenger seat, the front passenger de\
tec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.
● If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.
■ If the malfunction indicator la mp comes on while driving
First check the following:
● Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.

4277-2. Steps to take in an emergency
7
When trouble arises
4RUNNER (U)_(OM35B37U)
Indicates a malfunction in the intuitive parking
assist-sensorThe site of the malfunction flashes and stays
on.
A buzzer will sound for several seconds and
this warning message will disappear after sev-
eral seconds.
If the engine switch is turned to a mode other
than IGNITION ON mode and then back to
IGNITION ON mode, the buzzer will sound and
this message will be displayed again.
→ Have the vehicle inspect ed by your Toyota
dealer.
Indicates that one or more of the doors is not fully
closed
If the vehicle reaches a speed of 3 mph (5 km/h), flashes and a buzzer sounds to indicate
that the door(s) are not yet fully closed.
→ Make sure that all the doors are closed.
Indicates that the back door is not fully closed
If the vehicle reaches a speed of 3 mph (5 km/h), flashes and a buzzer sounds to indicate
that the back door is not yet fully closed.
→ Close the back door.
Indicates that the moon roof is not fully closed
(with the engine switch off, and the driver's door
open)
A buzzer also sounds.
→ Close the moon roof.
Indicates that the parking brake is still engaged
If the vehicle reaches a speed of 3 mph (5 km/h),
flashes and a buzzer sounds to indicate
that the parking brake is still engaged.
→ Release the parking brake.
Indicates that the washer fluid level is low.
→Add washer fluid.
Warning messageDetails/Actions
(Flashes)
(Flashes)
(Flashes)

4287-2. Steps to take in an emergency
4RUNNER (U)_(OM35B37U)
*: Refer to the separate “Scheduled Maintenance Guide” or “Owner’s ManualSupplement” for the maintenance interval applicable to your vehicle.
Indicates that an intuitive parking assist-sensor is
dirty or covered with ice The site of the malfunction flashes and stays
on.
A buzzer will sound for several seconds and
this warning message will disappear after sev-
eral seconds.
If the engine switch is turned to a mode other
than IGNITION ON mode and then back to
IGNITION ON mode, the buzzer will sound and
this message will be displayed again.
→ Clean the sensor.
(U.S.A. only)
Indicates that all maintenance according to the
driven distance on the maintenance schedule
*
should be performed soon.
Comes on approximately 4500 miles (7200 km)
after the message has been reset.
→If necessary, perform maintenance.
(U.S.A. only)
Indicates that all maintenance is required to cor-
respond to the driven distance on the mainte-
nance schedule
*.
Comes on approximately 5000 miles (8000 km)
after the message has been reset.
(The indicator will not work properly unless the
maintenance data has been reset.)
→ Perform the necessary maintenance.
Please reset the message after the mainte-
nance is performed. ( →P. 345)
Warning messageDetails/Actions

4918-2. Customization
8
Vehicle specifications
4RUNNER (U)_(OM35B37U)■
Automatic light control system* (
→ P. 208)
*: If equipped
FunctionDefault settingCustomized
setting
Light sensor sensitivityLevel 3Levels 1 to 5
Time elapsed before head-
lights automatically turn off
after doors are closed
30 seconds
Off
60 seconds
90 seconds
Ambient light level at which
instrument illumination begins
to dim (meter lights etc.)
Standard-2 (darker) to
2 (brighter)
Ambient light level at which
instrument illumination begins
to brighten (meter lights etc.)
Standard-2 (darker) to 2 (brighter)

515What to do if... (Troubleshooting)
4RUNNER (U)_(OM35B37U)
●The seat belt reminder light is flashing
Are the driver and the front passenger wearing the seat belts?
(→P. 420)
●The brake system warning light is on
Is the parking brake released? ( →P. 207)
●The open door warning indicator is on
Are all the doors closed? (→P. 97, 115)
Depending on the situation, other types of warning buzzer may also sound.
( →P. 417, 426)

●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. 417.
●When a warning light turns on or a warning message or indicator is dis-
played, refer to P. 417, 426.
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

524Alphabetical index
4RUNNER (U)_(OM35B37U)
Safety Connect ........................ 331
Seat belt reminder light........... 420
Seat belts.................................... 30Adjusting the seat belt ............ 30
Automatic Locking
Retractor (ALR) .................... 31
Child restra int system
installation ............................ 62
Cleaning and maintaining the seat belt ........................ 342
Emergency Locking Retractor (ELR) .................... 31
How to wear your seat belt ..... 30
How your child should wear
the seat belt .......................... 31
Pregnant women, proper
seat belt use ......................... 32
Reminder light and buzzer .... 420
Seat belt extender................... 31
Seat belt pretensioners ........... 31
SRS warning light ................. 418
Seat heaters ............................. 295
Seat position memory ............. 133
Seat ventilators ........................ 295
Seating capacity ...................... 175
Seats ................................. 120, 123
Adjustment .................... 120, 123
Adjustment precautions ................. 122, 132
Child seats/child restraint system installation ................ 57
Cleaning................................ 341
Driving position memory ....... 133
Head restraints ..................... 137
Properly sitting in the seat ...... 28
Seat heaters ......................... 295
Seat position memory ........... 133
Seat ventilators ..................... 295 Sensor
Automatic headlight
system .......... ...................... 212
Inside rear view mirror .......... 143
Intuitive parking assist .......... 229
Service reminder indicators ..... 76
Shift lever ................................. 201 Automatic transmission ........ 201
If the shift lever
cannot be shifted from P .... 204
Shift lock system ..................... 203
Side airbags ............................... 35
Side marker lights ................... 208 Light switch ........................... 208
Replacing light bulbs ............ 396
Wattage ................................ 473
Side mirrors ............................. 144
Adjusting and folding ............ 144
Side turn signal lights ............. 206
Slide deck................................. 310
Smart key system .................... 104 Antenna location ................... 104
Entry functions ........................ 97
Starting the engine ............... 196
Snow tires ................................ 275
Spare tire .................................. 433 Inflation pressure .................. 472
Storage location.................... 434
Spark plug ................................ 468
Specifications .......................... 462
Speedometer.............................. 81
Steering lock ............................ 198 Column lock release ............. 199
Steering lock system
warning message ............... 432
Steering wheel ......................... 140
Adjustment............................ 140
Storage feature ........................ 300
Storage precautions................ 173
S