2023 TOYOTA BZ4X sensor

5198-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises
■Brake hold operated indicator
■Warning buzzer
In some cases, the buzzer may not
be heard due to being in a noisy
location or audio sound.
■Front passenger detection sen-
sor, seat belt reminder and
warning buzzer
●If luggage is placed on the front
passenger seat, the front passen-
ger detection 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 n ot detect a pas-
senger, and the warning light may
not operate properly.
■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 sensors, “AIR BAG ON”
indicator light, “AIR BAG OFF” indi-
cator light, front passenger’s seat
belt buckle switch, seat belt preten-
sioners, airbags, interconnecting
wiring and power sources. ( P.44)
■Electric power steering system
warning light (warning buzzer)
When the 12-volt battery charge
becomes insufficien t or the voltage
temporarily drops, the electric power
steering system warning light may
come on and the warning buzzer
may sound.
■When the tire pressure warning
light comes on
Inspect the tires to check if a tire is
punctured.
If a tire is punctured: P. 5 2 7
If none of the tires are punctured:
Turn the power switch off then turn it
to ON. Check if th e tire pressure
warning light com es on or blinks.
If the tire pressure warning light
blinks for approximately 1 minute
then stays on
There may be a malfunction in the
tire pressure warning system. Have
the vehicle inspected by your Toyota
dealer immediately.
If the tire pressur e warning light
comes on
1 After the temperature of the tires
has lowered sufficiently, check
the inflation pressure of each tire
and adjust them to the specified
level.
2 If the warning light does not turn
off even after several minutes
have elapsed, check that the
inflation pressure of each tire is
at the specified level and perform
the tire inflation pressure setting
procedure. ( P.483)
If the warning light d oes not turn off
even after several minutes have
elapsed since performing the tire
inflation pressure setting proce-
dure, have the vehicle inspected by
your Toyota dealer as soon as pos-
sible.
■The tire pressure warning light
may come on due to natural
causes
The tire pressure warning light may
Warning lightDetails/Actions
(Flashes)
Indicates a malfunction in the brake hold system
 Have the vehicle inspecte d by your Toyota dealer
immediately.

5248-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
■If “System Stopped Front Cam-
era Low Visibility See Owner’s
Manual” is displayed
Indicates one of the following sys-
tems is disabled.
●PCS (Pre-Collis ion System)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam)
●Dynamic radar cruise control
●RSA (Road Sign Assist)
Follow the followi ng correction
methods.
• Follow the follo wing correction
methods.
• Using the windshield wipers, remove the dirt o r foreign matter
from the windshield.
• Using the air conditioning system, defog the windshield.
Close the hood, remove any stick-
ers, etc. to clear th e obstruction in
front of the front camera.
■If “System Stopped Front Cam-
era Out of Temperature Range
Wait until Normal Temperature”
is displayed
Indicates one of the following sys-
tems is disabled.
●PCS (Pre-Collis ion System)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam)
●Dynamic radar cruise control
●RSA (Road Sign Assist)
Follow the followi ng correction
methods.
• If the front camera is hot, such as after the vehicle is parked in the
sun, use the air conditioning sys-
tem to decrease the temperature
around the front camera
• If a sunshade was used when the vehicle was parked, depending on
its type, the sunlight reflected from
the surface of the sunshade may
cause the temperature of the front
camera to become excessively
high
• If the front camera is cold, such after the vehicle is parked in an
extremely cold environment, use
the air conditioning system to
increase the temperature around
the front camera
■If “System Stopped Front Radar
Sensor Blocked Clean Radar
Sensor” 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
●RSA (Road Sign Assist)
Follow the following 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.261)
• This message may be displayed when driving in an open area with
few nearby vehicles or structures,
such as a desert, grasslands, sub-
urbs, etc.
The message may be cleared by
driving the vehicle in an area with
structures, vehicles, etc., nearby.
■If “System Stopped Front Radar
Sensor Out of Temperature
Range Wait until Normal Tem-
perature” is displayed
Indicates one of the following sys-
tems is disabled.
●PCS (Pre-Collision System)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)

5258-2. Steps to take in an emergency
Owners Manual_USA_M42C01_en
8
When trouble arises
●AHB (Automatic High Beam)
●Dynamic radar cruise control
●RSA (Road Sign Assist)
Follow the followi ng correction
methods.
• The temperature of the radar sen- sor 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-Collis ion System)
●LDA (Lane Departure Alert)
●LTA (Lane Tracing Assist)
●AHB (Automatic High Beam)
●Dynamic radar cruise control
●RSA (Road Sign Assist)
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.261)
• 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 a message that indicates the
need for visiting your Toyota
dealer is displayed
The system or part shown on the
multi-information di splay is malfunc-
tioning. Have the vehicle inspected
by your Toyota dealer immediately.
■If a message that indicates the
need for the rotary shifter oper-
ation is displayed
To prevent the rota ry shifter from
being operated incorrectly or the
vehicle from moving unexpectedly, a
message that requires shifting the
shift position may be displayed on
the multi-informatio n display. In that
case, follow the in struction of the
message and shift the shift position.
■If a message that indicates the
need for referring to Owner’s
Manual is displayed
●If any of the following messages
are shown on the multi-informa-
tion display, follow the instruc-
tions.
• “Battery Low” ( P.541)
• “Check Charging System Close Charging Port Lid” ( P.140)
• “Charging system malfunction”
( P.140)
• “Charging stopped High energy use” ( P.140)
●If any of the following messages
are shown on the multi-informa-
tion display, it may indicate a mal-
function. Have the vehicle
inspected by your Toyota dealer
immediately.
• “Entry & Start System Malfunction”
• “Traction battery system malfunc- tion”
• “Accelerator system malfunction”
• “Plug-in Charging System Mal- function”
• “EV system malfunction”
• “Shift System Mal function Apply
Parking Brake Securely When
Parking See Owner’s Manual”
• “Shift System M alfunction See
Owner’s Manual”
• “Shift System Malfunction Stop in

5719-2. Customization
Owners Manual_USA_M42C01_en
9
Vehicle specifications
*: If equipped
■Power windows ( P.212)
■Power switch ( P.234)
■Lights ( P.248)
*: Except for Canada
Buzzer volumeLevel 3Level 1–O–Level 2
Operation buzzerOffOn––O
Hands Free Power Back
Door (kick sensor)
*OnOff–OO
Kick in buzzer (kick sensor)*OnOff––O
Hands Free Power Back
Door (kick sensor) when the
power switch is OFF
*OnOff––O
FunctionDefault settingCustomized
setting
Key linked operation (open)OffOn––O
Key linked operation (close)OffOn––O
Wireless remote control
linked operation (open)OffOn––O
Wireless remote control
linked operation signal
(buzzer)
OnOff––O
FunctionCustomized setting
ACC modeON/OFFO–O
FunctionDefault settingCustomized setting
Daytime Running LightsOnOff*O–O
Light reminder buzzerOnOff––O
FunctionDefault settingCustomized setting

5729-2. Customization
Owners Manual_USA_M42C01_en
■Reverse warning buzzer
■Automatic light control system (P.248)
■PCS (Pre-Collision System) ( P.265)
■LDA (Lane Departure Alert) (P.281)
■Dynamic radar cruise control ( P.288)
FunctionDefault settingCustomized
setting
Signal (buzzer) when the
shift position is in RContinualMute––O
FunctionDefault settingCustomized setting
Light sensor sensitivityStandard–2 to 2O–O
Time elapsed before head-
lights automatically turn off
after doors are closed
30 seconds
Off
O–O60 seconds
90 seconds
Windshield wiper linked
headlight illuminationOnOff––O
FunctionCustomized setting
Pre-Collision SystemON/OFF–O–
Warning timingLater/Default/Earlier–O–
FunctionCustomized setting
Lane Departure Alert systemON/OFF–O–
Alert timingDefault/Earlier–O–
Alert optionsVibration/Beep–O–
FunctionCustomized setting
Extended Resume TimeON/OFF–O–
Acceleration settingHigh/Mid/Low–O–
Guide messageON/OFF–O–
Curve speed reductionOFF/High/Mid/Low–O–

Owners Manual_USA_M42C01_en
595What to do if... (Troubleshooting)
Is the 12-volt battery dis-
charged? ( P.541)
 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.214)
 The auto power off function
will be operated if the vehicle
is left in ACC or ON (the EV
system is not operating) for a
period of time. ( P.235)
 The seat belt reminder light is
flashing
Are the driver and the passengers
wearing the seat belts? ( P. 5 1 5
,
516)
 The parking brake indicator is
on
Is the parking brake released?
( P.245)
Depending on the situation,
other types of warning buzzer
may also sound. ( P.513, 522)
Did anyone inside the vehicle
open a door during setting the
alarm?
The sensor detects it and the
alarm sounds. ( P.69)
To stop the alarm, turn the power
switch to ON or start the EV sys-
tem.
Is the message displayed on
the multi-information display?
Check the message on the
multi-information display.
( P.522)
 When a warning light turns on
or a warning message is dis-
played, refer to P.513, 522.
 Stop the vehicle in a safe
place and replace the flat tire
with the spare tire. ( P.527)
The windows do not open
or close by operating the
power window switches
The power switch is
turned off automatically
A warning buzzer sounds
during driving
An alarm is activated and
the horn sounds (if
equipped)
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

Owners Manual_USA_M42C01_en
Alphabetical Index599
Charging ......................... 105, 113AC charging ......................... 105
AC charging cable .................. 87
Charging components ............ 85
Charging indicator .................. 90
Charging methods .................. 98
Charging procedure ..... 105, 113
Charging schedule function.. 118
Charging time may increase 104
Charging tips ........................ 100
DC charging ......................... 113
Display . 101, 121, 129, 131, 140
Information related to charging display 101, 121 , 129, 131, 140
Locking and unlocking the AC charging connector............... 93
My Room Mode .................... 129
Opening and closing the charging port lid s .................. 85
Power sources precautions .... 97
Power sources th at can be used
............................................. 96
Safety functions.............. 89, 102
Things to know before charging ........................................... 102
Warning messages............... 140
When AC charging cannot be performed ........................... 133
When charging schedule func- tion cannot be performed ... 138
When DC charging cannot be performed ........................... 135
Charging equipment ................ 85
Charging methods.................... 98 AC charging ......................... 105
DC charging ......................... 113
Charging ports Charging port lid ..................... 85
Locking and unlocking the AC charging connector............... 93
Opening and closing .............. 85
Charging schedule function .. 118 Setting ..................................121
Charging tips ..........................100
Charging-linked functions My Room Mode ......................98
Traction battery cooler ............99
Traction battery heater ...........99
Traction battery warming control.............................................99
Child restraint system ..............50 Fixed with a LATCH system ...59
Fixed with a seat belt..............54
Front passenger occupant clas-sification system ...................44
Points to remember ................50
Riding with children ................49
Types of child restraint system installation method ...............52
Using an anchor bracket ........61
Child safety ...............................49 12-volt battery precautions ...544
Airbag precautions .................39
Back door precautions..........172
Child restraint system .............52
Electronic sunshade .............427
How your child should wear the seat belt ................................30
Power window lock switch ....214
Power window precautions...213
Rear door child-protectors ....171
Seat belt extender precautions .............................................30
Seat belt precautions........29, 49
Child-protector........................171
Cleaning ..........................448, 451 Aluminum wheels .................449
Brake calipers.......................449
Digital Rear-view Mirror ........206
Exterior .................................448
Interior ..................................451
Radar sensor ........................261
Seat belts .............................451
Clock ................................152, 154

Owners Manual_USA_M42C01_en
Alphabetical Index607
ReplacingElectronic key battery ........... 497
Fuses ................................... 499
Light bulbs ............................ 502
Tires ..................................... 485
Replacing the tire ................... 485
Reporting safety defects for Canadian owners ................. 581
Reporting safety defects for U.S. owners................................... 580
Road Sign Assist (RSA) ......... 286
Roof luggage carri er .............. 225
RSA (Road Sign Assist) ......... 286
S
Safe Exit Assist (SEA) Enabling/disabling the system........................................... 308
Safety Connect ......................... 64
SEA (Safe Exit Assist) ............ 307 Enabling/disabling the system........................................... 308
Seat belt reminder light . 515, 516
Seat belts .................................. 29 Adjusting the seat belt shoulder anchor height ....................... 31
Automatic Locking Retractor (ALR) .................................... 31
Child restraint system installation ............................................. 54
Cleaning and maintaining the seat belt.............................. 451
Emergency Locking Retractor (ELR) .................................... 31
How to wear your seat belt..... 30
How your child should wear the seat belt................................ 30
Pregnant women, proper seat belt use................................. 29
Reminder light and buzzer . 515, 516
Seat belt extender .................. 30 Seat belt instructions for Cana-
dian owners ........................581
Seat belt pretensioners ..........32
SRS warning light .................514
Seat heaters ............................ 411
Seat ventilators .. ..................... 411
Seating capacity .............228, 550
Seats ................................192, 193 Adjustment ...................192, 193
Adjustment precautions ........193
Child seats/child restraint system installation ............................50
Cleaning ...............................451
Folding down the rear seatbacks ...........................................194
Head restraints .....................196
Properly sitting in the seat ......27
Seat heaters ......................... 411
Seat ventilators..................... 411
Secondary Collision Brake ....388
Sécurité de l’enfant Précautions avec les coussins gonflables ...........................585
Sensor Automatic headlight system .248
Automatic High Beam (AHB) 250
BSM (Blind Spot Monitor) ...303, 308
Digital Rear-view Mirror ........205
Dynamic radar cruise control 260
Inside rear view mirror ..........201
Intuitive parking assist .......... 311
LDA (Lane Departure Alert) ..281
LTA (Lane Tracing Assist) .....276
Moving Vehicle Rear of the Vehi- cle ...............................303, 308
Parking Support Brake function (static objects) .................... 311
PCS (Pre-Collisio n System) .260
Radar sensor ........................260
Rain-sensing windshield wipers ...........................................255