sensor TOYOTA COROLLA HATCHBACK 2023 Service Manual

3337-2. Steps to take in an emergency
7
When trouble arises
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam)
●Dynamic radar cruise control
Follow the followi ng correction
methods.
The temperature of the radar sensor
is outside of the operating range.
Wait for the temperature to become
appropriate.
■If “System Stopped Front Radar
In Self Calibration See Owner’s
Manual” is displayed
Indicates one of the following sys-
tems is disabled.
●PCS (Pre-Collision system)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam)
●Dynamic radar cruise control
Follow the followi ng correction
methods.
• Check if there is any foreign mat- ter attached to the radar sensor or
radar sensor cover and clean
them if necessary ( P.163)
• The radar sensor may be mis- aligned and will be adjusted auto-
matically while driving. Continue
driving for a while.
■If “Cruise Control Unavailable
See Owner’s Manual” is dis-
played
Indicates one of the following sys-
tems is disabled.
●Dynamic radar cruise control
●Cruise control
A message is displayed when the
driving assist s witch is pushed
repeatedly.
Press the driving assist switch
quickly and firmly.
■If “Maintenance Required
Soon” is displayed
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, per-
form maintenance. Please reset the
message after the maintenance is
performed. ( P.266)
*: Refer to the separate “Scheduled
Maintenance” or “Owner’s Man-
ual Supplement” for the mainte-
nance interval applicable to your
vehicle.
■If “Maintenance Required Visit
Your Dealer” is displayed
Indicates that all maintenance is
required to correspond to the driven
distance on the maintenance sched-
ule
*.
Comes on approximately 5000
miles (8000 km) after the message
has been reset. (The indicator will
not work properly unless the mes-
sage has been rese t.) Perform the
necessary maintenance. Please
reset the message after the mainte-
nance is performed. ( P.266)
*: Refer to the separate “Scheduled
Maintenance” or “Owner’s Man-
ual Supplement” for the mainte-
nance interval applicable to your
vehicle.
■If “Engine Maintenance
Required Visit Your Dealer” is
shown
The engine or an engine component
is malfunctioning. Have the vehicle
inspected by your Toyota dealer
immediately.
■If a message that indicates the
need for visiting your Toyota
dealer is displayed
The system or part shown on the

3908-2. Customization
■Engine switch (P.102)
■Power windows ( P.117)
■Automatic light control system ( P.148)
■Lights ( P.148)
FunctionCustomized setting
ACC customization
Enabling/Disabling ACC
mode
On, OffO—O
FunctionDefault settingCustomized setting
Mechanical key linked
operationOffOn——O
Wireless remote control
linked operationOffOn (open only)——O
Wireless remote control
linked operation signal
(buzzer)
OnOff——O
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard-2 to 2O—O
Time elapsed before
headlights automatically
turn off after doors are
closed
30 seconds
Off
O—O60 seconds
90 seconds
Windshield wiper linked
headlight illuminationOnOff——O
FunctionDefault settingCustomized setting
Daytime running light
systemOnOffO—O

409What to do if... (Troubleshooting)
Is the engine switch in ON?
If you cannot release the shift lever
by depressing the brake pedal with
the engine switch in ON. ( P.139)
 Is the window lock switch
pressed?
The power window except for the
one at the driver’s seat cannot be
operated if the win dow lock switch
is pressed. ( P.119)
 The auto power off function
will be operated if the vehicle
is left in ACC or ON mode
(the engine is not running) for
a period of time. ( P.136)
 The seat belt reminder light is
flashing
Are the driver and the front passen-
ger wearing the seat belts?
( P.323)
 The parking brake indicator is
on
Is the parking br ake released?
(  P.142)
Depending on the situation,
other types of warning buzzer
may also sound. ( P.320, 330)
 Did anyone inside the vehicle
open a door during setting the
alarm?
The sensor detects it and the alarm
sounds. ( P. 6 5 )
Do one of the following to deac-
tivate or stop the alarms:
 Unlock the doors.
 Turn the engine switch to
ACC or ON, or start the
engine. (The alarm will be
deactivated or stopped after a
few seconds.)
 Is the electronic key left inside
the vehicle?
Check the message on the
multi-informat ion display. (P.330)
 When a warning light turns on
or a warning message is dis-
played, refer to P.320, 330.
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
turned off automatically
A warning buzzer sounds
during driving
An alarm is activated and
the horn sounds (vehicles
with an alarm)
A warning buzzer sounds
when leaving the vehicle
A warning light turns on
or a warning message is
displayed

418Alphabetical Index
Turn signal lever ................... 141
Rear view mirror Inside rear view mirror.......... 114
Outside rear view mirrors ..... 115
Rear window defogger ........... 237
Rear window wiper ................. 155
Refueling Capacity ............................... 367
Fuel types............................. 367
Opening the fuel tank cap .... 157
Replacing Electronic key battery ........... 304
Fuses ................................... 306
Light bulbs ............................ 309
Reporting safety defects for Canadian owners ................. 398
Reporting safety defects for U.S. owners................................... 398
Resetting the message indicat- ing maintenance is required 266
Road Sign Assist (RSA) ......... 206
RSA (Road Sign Assist) ......... 206
S
Safe Exit Assist ...................... 219
Safety Connect ......................... 60
Seat belt reminder light ......... 323
Seat belts .................................. 27 Automatic Locking Retractor .. 29
Child restraint system installation............................................. 49
Cleaning and maintaining the seat belt.............................. 262
Emergency Locking Retractor 29
How to wear your seat belt..... 28
How your child should wear the seat belt................................ 28
Pregnant women, proper seat belt use................................. 27
Reminder light and buzzer ... 323
Seat belt extender .................. 28
Seat belt pretensioners .......... 30 SRS warning light .................321
Seat heaters ............................241
Seating capacity .............131, 366
Seats Adjustment ...........................107
Adjustment precautions ........107
Child seats/child restraint system installation ............................47
Cleaning ...............................262
Head restraints ..................... 110
Properly sitting in the seat ......25
Seat heaters ....... ..................241
Secondary Collision Brake ....226
Sensor AHB (Automatic High Beam) 150
Automatic headlight system .148
BSM (Blind Spot M onitor) .....209
Radar sensor ................210, 220
RCTA ....................................215
Service reminder message ....266
Shift lever Continuously variable transmis-sion .....................................137
Side airbags ..............................31
Side marker lights Light switch...........................148
Wattage ................................372
Side mirrors Adjustment ........................... 115
BSM (Blind Spot M onitor) .....209
Folding.................................. 116
RCTA function.......................214
Side turn signal lights Replacing light bulbs ............309
Turn signal lever ...................141
Side windows .......................... 117
Smart key system Antenna location...................102
Entry functions................95, 101
Starting the engine ...............133
Snow tires ...............................230

426
Millimeter wave radar sensor