brake sensor LEXUS ES350 2022 Owner's Manual

3567-2. Steps to take in an emergency
■RCTA OFF indicator (warning buzzer)
■RCD OFF indicator (warning buzzer)
■PKSB OFF indicator (warning buzzer)
Warning lightDetails/Actions
(flashes)
When a buzzer sounds:
Indicates a malfunction in the RCTA (Rear Cross Traffic Alert) function
Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
Indicates that the rear bumper around the radar sensor is covered with
dirt, etc. ( P.209)
 Follow the instructions displayed on the multi-information display.
(  P.224)
Warning lightDetails/Actions
(flashes)
(if equipped)
When a buzzer sounds:
Indicates a malfunction in the RCD (Rear Camera Detection) function
 Have the vehicle inspected by your Lexus dealer immediately.
When a buzzer does not sound:
Indicates that the function temporarily cannot be used due to the cam-
era being dirty, etc.
 Follow the instructions displayed on the multi-information display.
(  P.230, 361)
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.237, 361)

3587-2. Steps to take in an emergency
■Brake hold operated indicator (warning buzzer)
■Master warning light (warning buzzer)
■Warning buzzer
In some cases, the buzzer 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 air-
bag 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), “PASSENGER AIR BAG” indica-
tor lights, front passenger’s seat belt buckle
switch, seat belt pret ensioners, airbags,
interconnecting wiring and power sources.
(  P.28)
■Electric power steering system warning
light (warning buzzer)
When the battery charge becomes insuffi-
cient 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 punc-
tured.
If a tire is punctured: P.365
If none of the tires are punctured:
Turn the engine switch off then turn it to
IGNITION ON mode. Check if the tire
pressure warning light comes 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 pres-
sure warning system. Have the vehicle
inspected by your Lexus dealer immedi-
ately.
If the tire pressure 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 pres-
sure of each tire is at the specified level
and perform initialization. ( P.324)
■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
Warning lightDetails/Actions
(flashes)
Indicates a malfunction in the brake hold system
 Have the vehicle inspected by your Lexus dealer immediately.
Warning lightDetails/Actions
A buzzer sounds and the warning light comes on and flashes to indicate
that the master warning system has detected a malfunction.
 P.361

4168-2. Customization
■RCD (Rear Camera Detection) function* ( P.229)
*: If equipped
■PKSB (Parking Support Brake)* ( P.232)
*: If equipped
■Driving Mode Select switch ( P.213)
*: If equipped
■Automatic air conditioning system ( P.262)
■Seat heater*/seat ventilators* ( P.269)
*: If equipped
FunctionDefault settingCustomized setting
RCD (Rear Camera Detection)
functionOnOffO
FunctionDefault settingCustomized setting
PKSB (Parking Support Brake)
functionOnOffOO
FunctionDefault settingCustomized setting
Powertrain control in custom
mode
*NormalPowerOEco
Chassis control in custom mode*NormalSportO
Air conditioning operation in cus-
tom mode
*NormalEcoO
FunctionDefault settingCustomized setting
A/C auto switch operationOnOffOO
Exhaust gas sensor sensitivityStandard-3 to 3OO
FunctionDefault settingCustomized setting
Driver’s seat temperature prefer-
ence in automatic modeStandard-2 (cooler) to 2
(warmer)OO
Passenger’s seat temperature
preference in automatic modeStandard-2 (cooler) to 2 (warmer)OO
ABC
ABC
ABC
ABC
ABC

435What to do if... (Troubleshooting)
In this case, the engine can be started in a
temporary way. ( P.378)
 Is the battery discharged?
( P.379)
 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.150)
 It is locked automatically to prevent
theft of the vehicle. ( P.145)
 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.124)
 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.147) 
The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.354)
 The parking brake indicator is on
Is the parking brake released? ( P.154)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.351, 361)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
( P.60)
To stop the alarm, turn the engine
switch to IGNITION ON mode, or
start the engine.
 Is the message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( P.361)
 When a warning light turns on or a
warning message is displayed, refer
to P.351, 361.
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
A warning light turns on or a
warning message is displayed

438Alphabetical index
C
Card key ............................................................ 92
Care ........................................................298, 301Aluminum wheels ......................................298
Exterior ...........................................................298
Interior .............................................................. 301
Seat belts......................................................... 301
Cargo capacity...............................................142
Cargo hooks ................................................. 279
Center Display ............................................. 258
Chains .............................................................. 252
Child-protectors............................................. 99
Child restraint system................................... 43 Fixed with a LATCH system ..................50
Fixed with a seat belt....................................47
Front passenger occupant classification system ..............................................................37
Points to remember .................................... 43
Riding with children ..................................... 43
Types of child restraint system installation method ........................................................... 44
Using an anchor bracket .......................... 53
Child safety ....................................................... 43 Airbag precautions...................................... 33
Battery precautions .........................318, 381
Child restraint system................................. 44
Heated steering wheel and seat heater precautions................................................ 269
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................ 127
Panoramic moon roof precautions... 130
Power window lock switch..................... 124
Power window precautions ................... 124
Rear door child-protectors ..................... 99
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 43
Trunk precautions ...................................... 100
Cleaning ................................................298, 301 Aluminum wheels ......................................298
Exterior ...........................................................298 Interior .............................................................. 301
Radar sensor ....................................... 171, 209
Seat belts ......................................................... 301
Clock .................................................68, 71, 280
Coat hooks.....................................................288
Compass ......................................................... 294
Condenser .......................................................316
Console box ................................................... 277
Console box light .........................................277
Cooling system...............................................316 Engine overheating...................................382
Cornering lights ............................................ 160 Replacing light bulbs............................... 338
Cruise control Dynamic radar cruise control with full-speed range ............................................... 198
Cup holder ......................................................277
Current fuel consumption .......................... 78
Curtain shield airbags .................................. 28
Customizable features ..............................408
Custom mode .................................................213
D
Daytime running light system .................. 158
Defogger Outside rear view mirrors.....................263
Rear window ................................................263
Windshield ....................................................263
Dimension ......................................................388
Dinghy towing.................................................143
Display BSM (Blind Spot Monitor)................... 208
Dynamic radar cruise control with full-speed range ............................................... 198
Head-up display............................................83
Intuitive parking assist ................................216
LTA (Lane Tracing Assist) ....................... 191
Multi-information display .......................... 76
Parking Support Brake function (rear pedestrians)............................................... 244
RCD (Rear Camera Detection) ........ 229
RCTA............................................................... 223

444Alphabetical index
Panic mode ....................................................... 94
Panoramic moon roofJam protection function............................129
Operation........................................................128
Parking assist sensors (intuitive parking assist) ............................................................... 216
Parking brake..................................................154 Operation........................................................154
Parking brake engaged warning buzzer.......................................................................... 155
Warning light ............................................... 357
Warning message...................................... 155
Parking lights .................................................. 158 Light switch.................................................... 158
Parking Support Brake function (rear- crossing vehicles) .......................... 232, 242
Parking Support Brake function (rear pedestrians) ..................................... 232, 244 Function .......................................................... 244
Parking Support Brake function (static objects) .............................................. 232, 239 Function .......................................................... 239
PCS (Pre-Collision System) ..................... 176 Function ............................................................ 176
PCS OFF switch .......................................... 179
Warning light ............................................... 357
Personal lights............................................... 273
PKSA (Parking Support Alert) ................215
PKSB (Parking Support Brake)............. 232 Warning message..................................... 237
Power easy access system ......................... 113
Power outlet ..................................................280
Power steering (Electric power steering system) .......................................................... 246 Warning light ...............................................353
Power trunk lid .............................................. 100
Power windows ..............................................123 Door lock linked window operation.. 124
Jam protection function............................ 123
Operation........................................................ 123
Window lock switch .................................. 124
Pre-Collision System (PCS) ..................... 176 Function ............................................................176
PCS OFF switch ..........................................179
Warning light ...............................................357
R
Radar cruise control (dynamic radar cruise
control with full-speed range).............. 198
Radiator .............................................................316
RCD (Rear Camera Detection) ........... 229 Function .......................................................... 229
Warning message .....................................230
RCTA (Rear Cross Traffic Alert) ......... 223
RCTA Function .......................................................... 223
Warning message ..................................... 224
Rear Cross Traffic Alert (RCTA) ......... 223
Rear door sunshades ................................. 287
Rear seats Head restraints............................................... 116
Rear side marker lights .............................. 158 Light switch .................................................... 158
Replacing light bulbs............................... 338
Rear sunshades ............................................ 286
Rear turn signal lights ..................................153 Replacing light bulbs............................... 338
Turn signal lever .......................................... 153
Rear view mirror Inside rear view mirror ............................... 119
Outside rear view mirrors...................... 120
Rear window defogger ............................. 263
Refueling ...........................................................169 Capacity ........................................................ 390
Fuel types ...................................................... 390
If the fuel filler door cannot be opened..........................................................................376
Opening the fuel tank cap ..................... 169
Remote Touch .............................................. 256
Replacing Electronic key battery..............................333
Fuses.................................................................335
Light bulbs .................................................... 338
Tires ................................................................. 365

Alphabetical index445
Resetting the message indicating mainte-nance is required ...................................... 303
Rev indicator .....................................................73
Rev peak..............................................................73
Road Sign Assist ............................................195
RSA (Road Sign Assist) ..............................195
S
Seat belt reminder light............................. 354
Seat belts............................................................ 24 Adjusting the seat belt................................ 26
Automatic Locking Retractor ................ 26
Child restraint system installation......... 44
Cleaning and maintaining the seat belt.......................................................................... 301
Emergency Locking Retractor .............. 26
How to wear your seat belt..................... 25
How your child should wear the seat belt ............................................................................ 25
Pregnant women, proper seat belt use .............................................................................24
Reminder light and buzzer ...................354
Seat belt extender ........................................ 25
Seat belt pretensioners ...............................27
SRS warning light ...................................... 352
Seat heaters ................................................... 269
Seating capacity............................................. 142
Seat position memory................................... 113
Seats..................................................................... 112 Adjustment precautions.............................112
Adjustment........................................................112
Child seats/child restraint system instal-lation................................................................. 43
Cleaning.......................................................... 301
Driving position memory.......................... 113
Head restraints .............................................. 116
Power easy access system ...................... 113
Properly sitting in the seat .........................23
Seat heaters .................................................. 269
Seat position memory ................................ 113
Seat ventilators............................................ 269
Seat ventilators ............................................. 269 Secondary Collision Brake ..................... 246
Sensor
AHB (Automatic High Beam) ............... 161
Automatic headlight system .................. 158
Inside rear view mirror ............................. 120
Intuitive parking assist ................................216
LTA (Lane Tracing Assist) ..................... 186
Parking Support Brake function (rear-crossing vehicles)................................... 242
Parking Support Brake function (static objects) ........................................................240
Radar sensor ....................................... 171, 209
Rain-sensing windshield wipers .......... 166
RCTA............................................................... 224
Service reminder message ..................... 303
Shift lever Automatic transmission ........................... 149
Shift lever light .............................................. 273
Shift lock system............................................ 150
Side airbags ...................................................... 28
Side marker lights......................................... 158 Light switch .................................................... 158
Side mirrors .....................................................120 Adjustment ..................................................... 120
BSM (Blind Spot Monitor)................... 208
Folding................................................................ 121
Linked mirror function when reversing............................................................................122
Mirror position memory............................ 113
RCTA function ............................................ 223
Side turn signal lights ...................................153 Replacing light bulbs............................... 338
Turn signal lever .......................................... 153
Side windows ..................................................123
Smart access system with push-button start...................................................................107 Antenna location ......................................... 107
Entry functions..................................... 96, 103
Starting the engine ......................................144
Snow tires .........................................................251
Spare tire Storage location ........................................ 366