sensor TOYOTA AVALON 2021 (in English) Repair Manual

4397-2. Steps to take in an emergency
7
When trouble arises
*5: Rear passenger’s seat belt buzzer:
The rear passengers’ seat belt warning buzzer sounds to alert the rear
passenger that his or her seat belt is not fastened. If the seat belt is unfas-
tened, the buzzer sounds intermittently for a certain period of time, after
the seat belt is fastened and unfastened and the vehicle reaches a certain
speed.
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (front), side
impact sensors (rear), driver’s seat position sensor, driver’s seat belt buckle
switch, front passenger occupant classification system (ECU and sensors),
“AIR BAG ON” indicator light, “AIR BAG OFF” indicator light, seat belt preten-
<0056004c00520051004800550056000f00030044004c005500450044004a0056000f0003004c00510057004800550046005200510051004800460057004c0051004a0003005a004c0055004c0051004a0003004400510047000300530052005a0048005500
03005600520058005500460048005600110003000b[P. 38)
■Front passenger detection sensor, seat belt reminder and warning
buzzer
●If luggage is placed on the front passenger seat, the front passenger detec-
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 lamp 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.
■Electric power steering system warning light (warning buzzer)
When the battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering system warning light may come on and the
warning buzzer may sound.

5108-2. Customization
■Automatic light control system (P. 202)
■Lights (P. 2 0 2 )
*: Except for Canada
■
Intuitive parking assist* (P. 276)
*: If equipped
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2OO
Time elapsed before
headlights automatically
turn off after doors are
closed
30 seconds
Off
OO60 seconds
90 seconds
12
FunctionDefault settingCustomized setting
Daytime running light
systemOnOff*OO
Welcome lightingOnOff—O
Windshield wiper linked
headlight illuminationOnOff—O
12
FunctionDefault settingCustomized setting
Detection distance of the
front center sensorFarNear—O
Detection distance of the
rear center sensorFarNear—O
12

532What to do if... (Troubleshooting)
●The seat belt reminder light is flashing
Are the driver and the passenger wearing the seat belts? (P. 438)
●The parking brake indicator is on
Is the parking brake released? (P. 196)
Depending on the situation, other types of warning buzzer may also sound.
(P. 434, 444)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. (P. 80)
Do one of the following to stop the alarm:
• Unlock the doors.
• Open the trunk using the entry function or wireless remote control.
• Turn the engine switch to ACCESSORY or IGNITION ON mode, or start
the engine.
●Is the message displayed on the multi-information display?
Check the message on the multi-information display. (P. 444)
●When a warning light turns on or a warning message is displayed, refer to
P. 434, 444.
●Stop the vehicle in a safe place and replace the flat tire with the spare
tire. (P. 449)
●Try the procedure for when the vehicle becomes stuck in mud, dirt, or
snow. (P. 474)
A warning buzzer sounds during driving
An alarm is activated and the horn sounds
A warning buzzer sounds when leaving the vehicle
A warning light turns on or a warning message is displayed
When a problem has occurred
If you have a flat tire
The vehicle becomes stuck

543Alphabetical index
Seats ................................. 142, 144
Adjustment .................... 142, 144
Adjustment
precautions ................. 143, 145
Child seats/child restraint
system installation ................ 63
Cleaning................................ 369
Driving position memory ....... 146
Folding down the rear
seatbacks ........................... 144
Front seat heaters................. 329
Head restraints ..................... 151
Power easy access
system ................................ 146
Properly sitting in the seat ...... 28
Rear seat heaters ................. 329
Seat ventilators ..................... 329
Secondary Collision Brake ..... 310
Sensor
Automatic headlight
system ................................ 204
Automatic High Beam
system ................................ 206
Camera sensor ..................... 219
Inside rear view mirror .......... 156
Intuitive parking assist .......... 276
LDA (Lane Departure Alert
with steering control) .......... 237
Radar sensor ........................ 219
Service reminder
indicators ................................. 84
Shift lever ................................. 189
Automatic transmission......... 189
If the shift lever cannot
be shifted from P ................ 193
S mode ................................. 190Shift lock system ..................... 192
Side airbags ............................... 37
Side marker lights ................... 202
Light switch ........................... 202
Replacing light bulbs ............ 421
Side mirrors ............................. 157
Adjusting and folding ............ 157
BSM (Blind Spot Monitor) ..... 260
Heaters ................................. 324
Side turn signal lights
Replacing light bulbs ............ 421
Turn signal lever ................... 195
Smart key system .................... 135
Antenna location ................... 135
Entry functions .............. 125, 131
Starting the engine ............... 184
Snow tires ................................ 319
Spare tire .................................. 449
Inflation pressure .................. 486
Storage location.................... 450
Spark plug ................................ 483
Specifications .......................... 478
Speedometer.............................. 90
Sport mode .............................. 305
Steering lock
Column lock release ............. 186
Steering wheel ......................... 153
Adjustment............................ 153
Heated steering wheel .......... 329
Meter control switches ............ 94
Power easy access
system ................................ 146
Stoplights
Replacing light bulbs ............ 421
Storage feature ........................ 335
Storage precautions................ 335