2022 LEXUS IS350 sensor

3347-2. Steps to take in an emergency
■RCTA OFF indicator (warning buzzer)
■PKSB OFF indicator (warning buzzer)
■PCS warning light
Warning lightDetails/Actions
(flashes)
Indicates a malfunction in the RCTA (Rear Cross Traffic Alert) function
Have the vehicle inspected by your Lexus dealer immediately.
Indicates that the rear bumper around the radar sensor is covered with
dirt, etc. ( P.197)
 Follow the instructions displayed on the multi-information display.
( P.211)
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 Lexus dealer immediately.
When a buzzer does not sound:
Indicates that the system is temporarily unavailable, possibly due to a
sensor being dirty or covered with ice, etc.
 Follow the instructions displayed on the multi-information display.
( P.220, 338)
Warning lightDetails/Actions
(flashes or illumi-
nates)
When a buzzer sounds simultaneously:
Indicates a malfunction has occurred in the PCS (Pre-Collision System).
 Have the vehicle inspected by your Lexus 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 displayed on the multi-information display.
( P.163, 339)
If the PCS (Pre-Collision System) or VSC (Vehicle Stability Control)
system is disabled, the PCS warning light will illuminate.
 P.174

3357-2. Steps to take in an emergency
7
When trouble arises
■Slip indicator
■Parking brake indicator (warning buzzer)
■Brake hold operated indicator (warning buzzer)
■Warning buzzer
In some cases, the bu zzer may not be heard
due to being in a noisy location or audio
sound.
■Front passenger detection sensor, seat
belt reminder and warning buzzer
●If luggage is placed on the front passen-
ger seat, the front passenger 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 sen-
sor may not detect a passenger, and the
warning light may not operate properly.
■SRS warning light
This warning light system monitors the
airbag sensor assembly, front impact sen-
sors, side impact sensor s (front door), side
impact sensors (front), side impact sensors
(rear), driver’s seat position sensor, driver’s
seat belt buckle sw itch, front passenger
occupant classification system (ECU and
sensors), “AIR BAG ON” indicator light,
“AIR BAG OFF” indicator light, front pas-
senger’s seat belt buckle switch, seat belt
pretensioners and force limiters, airbags,
interconnecting wiring and power sources.
( P.28)
■If the malfunction in dicator lamp comes
on while driving
First check the following:
Warning lightDetails/Actions
Indicates a malfunction in:
 The VSC system;
 The TRAC system; or
 The hill-start assist control system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
(flashes)
(U.S.A.)
or
(flashes)
(Canada)
It is possible that the parking brake is not fully engaged or released
 Operate the parking brake switch once again.
This light comes on when the parking brake is not released. If the light
turns off after the parking brake is fu lly released, the system is operating
normally.
Warning lightDetails/Actions
(flashes)
Indicates a malfunction in the brake hold system
 Have the vehicle inspected by your Lexus dealer immediately.

3397-2. Steps to take in an emergency
7
When trouble arises
■If “Engine Stopped Steering Power
Low” is displayed
This message is displa yed if the engine is
stopped while driving.
When steering wheel operations are
heavier than usual, gr ip the steering wheel
firmly and operate it using more force than
usual.
■If “Auto Power Off to Conserve Battery”
is displayed
Power was turned off due to the automatic
power off function. Next time when starting
the engine, increase the engine speed
slightly and maintain that level for approxi-
mately 5 minutes to recharge the battery.
■If “Headlight System Malfunction Visit
Your Dealer” is displayed
The following systems may be malfunction-
ing. Have the vehicle inspected by your
Lexus dealer immediately.
●The LED headlight system
●The automatic headlig ht leveling system
(if equipped)
●Automatic High Beam
■If “Radar Cruise Control Unavailable
See Owner's Manual” is displayed
The dynamic radar cruise control with
full-speed range system is suspended tem-
porarily or until the problem shown in the
message is resolved. (causes and coping
methods: P.163)
■If “Radar Cruise Control Unavailable” is
displayed
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 malfunc-
tion of front camera is displayed
The following systems may be suspended
until the problem shown in the message is
resolved. ( P.163, 329)
●PCS (Pre-Collision system)
●LTA (Lane Tracing Assist)
●Automatic High Beam
●RSA (Road Sign Assi st) (if equipped)
●Dynamic radar cruise control with
full-speed range
■If a message that indicates the malfunc-
tion of radar sensor is displayed
The following systems may be suspended
until the problem show n in the message is
resolved. ( P.163, 329)
●PCS (Pre-Collision system)
●LTA (Lane Tracing Assist)
●Dynamic radar cruise control with
full-speed range
■If “Maintenance Required Soon” is dis-
played
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.
Please reset the message after the mainte-
nance is performed. (P.278)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle.
■If “Maintenance Required Visit Your
Dealer” is displayed
Indicates that all mainte nance is required to
correspond to the driven distance on the
maintenance schedule
*.
Comes on approximately 5000 miles
(8000 km) after the message has been
reset. (The indicator will not work properly
unless the message has been reset.) Per-
form the necessary maintenance. Please
reset the message after the maintenance is
performed. ( P.278)
*: Refer to the separate “Scheduled Main-
tenance” or “Owner’s Manual Supple-
ment” for the main tenance interval
applicable to your vehicle.
■If “Oil Maintenance Required Soon” is
displayed
Indicates that the engine oil should be
scheduled to be changed.

3938-2. Customization
8
Vehicle specifications
*:If equipped
■Turn signal lever (P.138)
*1: After flashing the turn signal lights when turnin g left or right while this function is off and
the turn signal lever is moved to the first positi on in the direction of the flashing light, the
turn signal lights can be sele cted to be flashing or off.
*2: The turn signal lights keep flashing if the turn signal lever is moved to the first position in
the direction of flashing light.
*3: The turn signal lights will be off if the turn signal lever is moved to the first position in the direction of flashing light.
■Automatic light control system ( P.145)
Wireless remote control
linked operationOffOn (open only)——O
Linked operation of compo-
nents when wireless remote
control is used
Slide onlyTilt only——O
Wireless remote control
linked operation signal
(buzzer)
OnOff——O
FunctionDefault settingCustomized setting
The number of times the turn
signal lights flash automati-
cally when the turn signal
lever is moved to the first
position during a lane
change
*1
3
5
——O
7
Off*2
Off*3
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
FunctionDefault settingCustomized settingABC
ABC
ABC

413What to do if... (Troubleshooting)
depleted?
In this case, the engine can be started in a
temporary way. (P.352)
 Is the battery discharged?
( P.353)
 Is the engine switch in IGNITION
ON mode?
If you cannot release the shift lever by
depressing the brake pedal with the engine
switch in IGNITION ON mode. ( P.135)
 It is locked automatically to prevent
theft of the vehicle. ( P.130)
 Is the window lock switch pressed?
The power window except for the one at
the driver’s seat cannot be operated if the
window lock switch is pressed. ( P.115)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is not running) for
a period of time. ( P.132) 
The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? ( P.332)
The parking brake indicator is on
Is the parking brake released? ( P.139)
Depending on the situation, other
types of warning buzzer may also
sound. (P.329, 338)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
(P.61)
Do one of the following to deactivate
or stop the alarm:
 Unlock the doors.
 Open the trunk.
 Turn the engine switch to ACCES-
SORY or IGNITION ON mode, or
start the engine. (The alarm will be
deactivated or stopped after a few
seconds.)
 Is the electronic key left inside the
vehicle or the moon roof opened?
Check the message on the multi-informa-
The shift lever cannot be shifted
from P even if you depress the
brake pedal
The steering wheel cannot be
turned after the engine is
stopped
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
A warning buzzer sounds when
leaving the vehicle

416Alphabetical Index
BuzzerHands off steering wheel warning (LTA).......................................................................... 183
C
Card key ............................................................ 86
Care Exterior ........................................................... 270
Interior ............................................................. 274
Seat belts........................................................ 274
Wheels and wheel ornaments.. 270, 271
Cargo capacity...............................................128
Cargo net ....................................................... 258
Center Display ............................................. 240
Chains .............................................................. 235
Child restraint system Fixed with a LATCH system .................. 49
Fixed with a seat belt................................... 45
Front passenger occupa nt classification
system ............................................................. 36
Points to remember ...................................... 41
Riding with children ....................................... 41
Types of child restraint system installation method ............................................................42
Using an anchor bracket ............................ 51
Child safety Airbag precautions...................................... 33
Battery precautions ..................................356
Child restraint system..................................42
Heated steering wheel and seat heater precautions..................................................251
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................. 118
Power window lock switch...................... 115
Power window precautions .................... 115
Rear door child-protectors ..................... 93
Removed electronic key battery precau- tions ...............................................................309
Seat belt extender precautions ............. 25
Seat belt precautions .................................... 41
Trunk precautions ........................................ 94 Child-protectors............................................. 93
Cleaning
Exterior............................................................ 270
Interior ............................................................. 274
Radar sensor ................................................. 160
Seat belts ........................................................ 274
Wheels and wheel ornaments .. 270, 271
Clock ............................................... 69, 70, 260
Coat hooks..................................................... 260
Condenser ..................................................... 293
Console box .................................................. 257
Consumption screen .................................... 82
Cooling system............................................. 292 Engine overheating...................................357
Cruise control Dynamic radar cruise control with full-speed range ....................................... 187
Cup holders ................................................... 257
Current fuel consumption .......................... 78
Curtain shield airbags .................................. 28
Customizable features ..............................388
D
Daytime running light system ...................145
Defogger Outside rear view mirrors.....................245
Rear window ................................................245
Windshield ....................................................245
Differential Front differential oil......................................371
Rear differential oil.......................................371
Dimensions .................................................... 364
Dinghy towing.................................................129
Display Center Display ............................................240
Dynamic radar cruise control with full-speed range ....................................... 187
Intuitive parking assist ..............................203
LTA (Lane Tracing Assist) ..................... 180
Multi-information display .......................... 75
RCTA................................................................ 210
Warning message .................................... 338

421Alphabetical Index
MirrorsInside rear view mirror............................... 110
Outside rear view mirror defoggers245
Outside rear view mirrors ........................112
Vanity mirrors................................................261
Moon roof Door lock linked moon roof operation.............................................................................117
Jam protection function..............................117
Operation......................................................... 116
Multi-information display .............................75 Audio system-linked display...................80
Boost gauge.................................................... 79
Drive information 1/Drive information 2/Drive information 3............................. 78
Driving information display....................... 77
Driving support syst em information dis-
play ...................................................................80
Dynamic radar cruise control with full-speed range ........................................187
Eco Driving Indicator ................................. 79
Engine oil pressure gauge ....................... 79
Engine oil temperature gauge ............... 79
Gear Position .................................................80
G-force.............................................................. 79
LTA (Lane Tracing Assist)..................... 180
Menu icons ...................................................... 76
Meter control switches .............................. 76
Navigation system-linked display ........80
Pop-up display............................................... 75
Settings ................................................................81
Speedometer.................................................. 79
Tire pressure ................................................ 299
Warning message.....................................338
N
Navigation system-linked display............ 80
Noise from under vehicle .............................. 5
O
“ODO TRIP” switch .......................................74 Odometer ..........................................................74
Odometer and trip meter display
Display items ................................................... 74
“ODO TRIP” switch .................................... 74
Pop-up display ............................................... 75
Oil Engine oil........................................................ 367
Front differential oil......................................371
Rear differential oil.......................................371
Opener Fuel filler door ................................................157
Hood ............................................................... 285
Trunk ...................................................................95
Outside rear view mirrors Adjustment ....................................................... 112
BSM (Blind Sport Monitor)....................197
Folding................................................................ 113
Linked mirror function when reversing............................................................................. 112
Mirror position memory .......................... 104
Outside rear view mirror defoggers245
RCTA function ............................................. 210
Outside temperature............................ 69, 70
Overheating .................................................. 357
P
Paddle shift switches .......................... 136, 137
Panic mode ....................................................... 88
Parking assist sensors (intuitive parking assist) ............................................................. 203
Parking brake Operation ....................................................... 139
Parking brake engaged warning buzzer............................................................................. 141
Warning light ...............................................335
Warning message ........................................ 141
Parking lights Light switch .................................................... 145
Replacing light bulbs ..................................314
Parking Support Brake function (for rear-crossing vehicles) .......................... 225 Function .......................................................... 225

423Alphabetical Index
Seat belt pretensioners ............................... 27
SRS warning light ......................................330
Seat heaters .....................................................251
Seat position memory................................. 104
Seat ventilators ...............................................251
Seating capacity.............................................128
Seats Adjustment......................................................102
Adjustment precautions ...........................102
Child seats/child restraint system installa-tion ...................................................................... 41
Cleaning......................................................... 274
Driving position memory........................ 104
Head restraints .............................................107
Power easy access system .................... 104
Properly sitting in the seat .........................23
Seat heaters .................................................... 251
Seat position memory .............................. 104
Seat ventilators..............................................251
Sensor Automatic headlight system...................145
Automatic High Beam system.............. 147
Inside rear view mirror................................. 111
Intuitive parking assist.............................. 203
LTA (Lane Tracing Assist)...................... 175
Parking Support Brake function (rear-crossing vehicles) ...................... 225
Parking Support Brak e function (static
objects)........................................................ 223
Radar sensor....................................... 160, 197
Rain-sensing windshield wipers.......... 155
RCTA ..................................................................211
Service reminder message ..................... 278
Shift lever Automatic transmission ............................134
Side airbags ...................................................... 28
Side marker lights Light switch .....................................................145
Replacing light bulbs..................................314
Side mirrors Adjustment........................................................112
BSM (Blind Sport Monitor) ................... 197 Folding................................................................ 113
Linked mirror function when reversing
............................................................................. 112
Mirror position memory .......................... 104
RCTA function ............................................. 210
Side turn signal lights Replacing light bulbs ..................................314
Turn signal lever .......................................... 138
Side windows ................................................... 114
Smart access system with push-button start Antenna location ........................................... 97
Entry functions ................................................90
Starting the engine ..................................... 130
Snow mode ......................................................136
Snow tires ....................................................... 234
Spare tire...........................................................341 Storage location ......................................... 342
Spark plug ...................................................... 370
Specifications ................................................ 364
Speedometer ................................... 69, 70, 79
Steering lock Column lock release ................................. 130
Steering lock system warning message........................................................................... 130
Steering wheel Adjustment ..................................................... 109
Heated steering wheel ............................. 251
Meter control switches .............................. 76
Power easy access system .................... 104
Steering wheel position memory........ 104
Stop lights Replacing light bulbs ..................................314
Storage features .......................................... 256
Stuck If the vehicle becomes stuck ................. 361
Sun visors ..........................................................261
Sunshade Roof...................................................................... 117
Switch ASC (Active Sound Control) dial.......144