2023 TOYOTA HIGHLANDER sensor

4377-2. Steps to take in an emergency
7
When trouble arises
■PKSB OFF indicator (warning buzzer)
■PCS warning light
Warning lightDetails/Actions
(flashes)
(if equipped)
When a buzzer sounds:
Indicates a malfunction in the PKSB (Parking Support
Brake) system
 Have the vehicle inspected by your Toyota dealer
immediately.
When a buzzer does not sound:
Indicates that the system is te mporarily unavailable, possi-
bly due to a sensor being dirty or covered with ice, etc.
 Follow the instructions di splayed on the multi-infor-
mation display. ( P.295, 442)
Warning lightDetails/Actions
(flashes or illu-
minates)
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS (Pre-Colli-
sion System).
Have the vehicle inspected by your Toyota dealer
immediately.
When a buzzer does not sound:
The PCS (Pre-Collision System) has become temporarily
unavailable, corrective action may be necessary.
 Follow the instructions di splayed on the multi-infor-
mation display. ( P.226, 442)
If the PCS (Pre-Collision Syst em) or VSC (Vehicle Stability
Control) system is disabled, the PCS warning light will illu-
minate.
 P. 2 3 8

4397-2. Steps to take in an emergency
7
When trouble arises
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 not 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), side impact sensors (front
door), side impact sensors (rear),
driver’s seat position sensor,
driver’s seat belt buckle switch, front
passenger occupant classification
system (ECU and sensors), “PASS
AIR BAG ON” indicator light, “PASS
AIR BAG OFF” indicator light, front
passenger’s seat belt buckle switch,
driver’s seat belt pretensioner, front
passenger’s seat be lt pretensioner
and force limiter, airbags, intercon-
necting wiring and power sources.
(  P.34)
■If the malfunction indicator
lamp comes on while driving
First check the following:
●Is the fuel t ank empty?
If it is, fill the f uel tank immediately.
●Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go o ff 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 temporar-
ily 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. 4 4 6
If none of the tires are punctured:
Turn the engine switch off then turn
it to ON. Check if the tire pressure
warning light com es on or blinks.
If the tire pressure warning light
blinks for 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
initialization. ( P.399)
If the warning light d oes not turn off
several minutes af ter the initializa-
tion has been performed, have the
vehicle inspected by your Toyota
dealer immediately.
■The tire pressure warning light
may come on due to natural
causes
The tire pressure warning light may
come on due to natural causes such
as natural air leaks and tire inflation
pressure changes caused by tem-
perature. In this ca se, adjusting the
tire inflation pressure will turn off the
warning ligh t (after a few minutes).
■When a tire is replaced with a
spare tire
Vehicles with a co mpact spare tire:
The compact spare tire is not
equipped with a tire pressure warn-
ing valve and tran smitter. If a tire

4447-2. Steps to take in an emergency
■If “Engine Stopped Steering
Power Low” is displayed
This message is displayed if the
engine is stopped while driving.
When steering wheel operations are
heavier than usual, grip the steering
wheel firmly and operate it using
more force th an usual.
■If “Power reduced to lower
engine temp” is displayed
This message may be displayed
when the engine coolant tempera-
ture is high.
At that time, the engine power out-
put is reduced until the temperature
decreases to the specified level. It is
still possible to con tinue driving nor-
mally, meanwhile the acceleration
performance or vehicle speed may
be lowered. After driving for a while
and the engine coolant temperature
is dropped, this m essage will disap-
pear and engine po wer output will
resume once the engine coolant
temperature has decreased to nor-
mal.
If after driving fo r a while the mes-
sage does not disappear or it comes
on and off frequently, contact your
Toyota dealer.
■If “Shift to P when Parked” is
displayed
This message is displayed when the
driver’s door is opened without turn-
ing the engine switch off with the
shift lever in any position other than
P. Change the shift lever to P.
■If “Auto Power OFF to Conserve
Battery” is displayed
Power was cut off due to the auto-
matic power off function. Next time
when starting the engine, increase
the engine speed slightly and main-
tain that level for approximately 5
minutes to recha rge the battery.
■If “Headlight System Malfunc-
tion Visit Your Dealer” is dis-
played
The following systems may be mal- functioning. Hav
e the vehicle
inspected by your Toyota dealer
immediately.
●The LED headlight system (if AFS
[Adaptive Front-lighting System]
equipped)
●AFS (Adaptive Front-lighting Sys-
tem) (if equipped)
●The automatic headlight leveling
system (if equipped)
●Automatic High Beam
■If “Radar Cruise Control
Unavailable See Owner's Man-
ual” is shown
The dynamic radar cruise control
with full-speed range system is sus-
pended temporarily or until the prob-
lem shown in the message is
resolved. (causes and coping meth-
ods: P.226)
■If “Radar Cruise Control
Unavailable” is shown
The dynamic radar cruise control
with full-speed range system cannot
be used temporarily. Use the system
when it becomes available again.
■If a message that indicates the
malfunction of front camera is
displayed
The following systems may be sus-
pended until the problem shown in
the message is resolved. (P.226,
437)
●PCS (Pre-Collision system)
●LTA (Lane Tracing Assist)
●Automatic High Beam
●RSA (Road Sign Assist) (if
equipped)
●Dynamic radar cruise control with
full-speed range
■If a message that indicates the
malfunction of radar sensor is
displayed
The following systems may be sus-
pended until the problem shown in
the message is resolved. (P.226,
437)

4998-2. Customization
8
Vehicle specifications
*: This setting can be changed when the smart door unlocking setting is set
to driver’s door.
■Wireless remote control ( P.113, 115, 119)
■Power back door*1 ( P.119)
Number of consecutive
door lock operations2 timesAs many as
desired——O
Time elapsed before
unlocking all the door
when gripping and hold-
ing the driver’s door
handle
*
2 seconds
Off
——O1.5 seconds
2.5 seconds
FunctionDefault settingCustomized setting
Wireless remote controlOnOff——O
Unlocking operation
Driver’s door unlocked in
one step, all doors
unlocked in two step
All doors unlocked in one stepO—O
Theft deterrent panic
modeOnOff——O
Locking operation when
door openedOnOffO—O
FunctionDefault settingCustomized setting
Power back doorOnOff—O—
Kick sensor*1OnOff—O—
Power back door open-
ing position5
1 to 4
—O—
User setting*2
Buzzer volumeLevel 3Level 1—O—Level 2
FunctionDefault settingCustomized setting

5018-2. Customization
8
Vehicle specifications
■Power windows and moon roof* ( P.162, 165)
*: If equipped
■Moon roof* ( P.165)
*: If equipped
■Automatic light control system ( P.210)
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
Linked operation of com-
ponents when mechani-
cal key is u sed (open
only)
Slide onlyTilt only——O
Linked operation of com-
ponents when wireless
remote control is used
Slide onlyTilt only——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

523What 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.202)
 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.164)
 The auto power off function
will be operated if the vehicle
is left in ACC or ON (the
engine is not running) for a
period of time. ( P.200)
 The seat belt reminder light is
flashing
Are the driver and the passengers
wearing the seat belts? ( P.434)
 The parking brake indicator is
on
Is the parking brake released?
( P.205)
Depending on the situation,
other types of warning buzzer
may also sound. ( P.431, 442)
 Did anyone inside the vehicle
open a door during setting the
alarm?
The sensor detects it and the alarm
sounds. ( P. 7 0 )
Do one of the following to stop
the alarms:
 Unlock the doors.
 Turn the engine switch to
ACC or ON, or start the
engine.
 Is the message displayed on
the multi-information display?
Check the message on the
multi-informat ion display. (P.442)
 When a warning light turns on
or a warning message is dis-
played, refer to P.431, 442.
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

526Alphabetical Index
AWD Control ............................. 91
B
Back door ................................ 119
Back-up lightsReplacing light bulbs ............ 415
Battery Battery checking................... 391
If the battery is discharged ... 465
Preparing and c hecking before
winter.................................. 314
Replacing ............................. 467
Warning light ........................ 432
Blind Spot Monitor (BSM) ...... 270
Brake Brake hold ............................ 208
Fluid ............................. 390, 479
Parking brake ....................... 205
Warning light ........................ 431
Brake assist ............................ 307
Break-in tips ........ ................... 175
Brightness control Instrument panel light control81, 86
BSM (Blind Spot Monitor) ...... 270
Buzzer Hands off steering wheel warn-ing (LTA) ............................. 248
C
Care Exterior ................................. 370
Interior .................................. 373
Seat belts ............................. 373
Wheels and wheel ornaments........................................... 370
Cargo capacity ....................... 184
Cargo net hooks .. ................... 344
Chains ..................................... 315
Child restraint system Fixed with a LATCH system ... 60 Fixed with a seat belt..............55
Front passenger occupant clas-
sification system ...................43
Points to remember ................50
Riding with children ................49
Types of child restraint system installation method ...............52
Using an anchor bracket ........62
Child safety Airbag precautions .................39
Back door precautions.......... 119
Battery precautions ......392, 468
Child restraint system .............52
Heated steering wheel and seat heater precautio ns..............335
How your child should wear the seat belt ................................28
Moon roof precautions..........166
Panoramic moon roof precau- tions ....................................170
Power window lock switch ....164
Power window precautions...163
Rear door child-protectors .... 118
Seat belt extender precautions .............................................29
Seat belt precautions..............49
Child-protectors...................... 118
Cleaning Exterior .................................370
Interior ..................................373
Radar sensor ........................224
Seat belts .............................373
Wheels and wheel ornaments...........................................370
Clock ................... .....79, 81, 82, 86
Coat hooks ..............................357
Condenser ............. ..................390
Console box ............................341
Consumption screen ..............108
Conversation mirror ...............359
Cooling system .......................389 Engine overheating ..............469

534Alphabetical Index
SensorAutomatic headlight system . 211
Automatic High Beam system........................................... 213
Digital Rearview Mirror ......... 154
Inside rear view mirror.......... 150
Intuitive parking assist .......... 275
LTA (Lane Tracing Assist) ..... 239
Parking Support Brake function (rear-crossing vehicles) ...... 299
Parking Support Brake function (static objects) .................... 297
Radar sensor................ 223, 271
Rain-sensing windshield wipers ........................................... 218
RCTA .................................... 284
Service reminder message .... 377
Shift lever Automatic transmission ........ 201
If the shift lever cannot be shifted from P................................. 202
Shift lever light ....................... 337
Shift lock system .................... 202
Shopping bag hooks .............. 345
Side airbags .............................. 34
Side doors Door lock .............................. 115
Side marker lights Light switch .......................... 210
Replacing light bulbs ............ 415
Side mirrors Adjustment ........................... 160
BSM (Blind Sport Monitor) ... 270
Folding ................................. 161
Heaters................................. 324
Linked mirror function when reversing ............................ 160
Mirror position memory ........ 142
RCTA function ...................... 283
Side turn signal lights Replacing light bulbs ............ 415
Turn signal lever ................... 204 Side windows ..........................162
Smart key system
Antenna location...................131
Entry functions.............. 115, 121
Starting the engine ...............197
Snow mode switch .................304
Snow tires ...............................314
Spare tire .................................446 Storage location ...................447
Spark plug ...............................477
Specifications .........................474
Speedometer .......................79, 82
Sport mode..............................300
Steering wheel Adjustment ...........................148
Heated steering wheel..........335
Meter control switches......87, 97
Stop & Start syste m ...............264
Warning light.........................436
Stop lights Replacing light bulbs ............415
Storage features ... ..................340
Stuck If the vehicle becomes stuck 471
Suggestion function .........95, 101
Sun visors ...............................359
Sunshade Roof ......................................165
Switches Activating the Automatic High Beam ..................................213
Automatic High Beam system ...........................................213
Brake Hold switch .................208
Digital Rearview M irror control
switches..............................150
Door lock switches ............... 118
Driving mode select switch ...300
Driving position memory switches..............................142
Dynamic radar cruise control with full-speed range switch250