ignition LEXUS ES350 2022 Repair Manual

434What to do if... (Troubleshooting)
1-1. W hat to do if.. . (Troubleshoo ting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.375)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.375)
 Is the electronic key battery weak or
depleted? ( P.333)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( P.147)
 Is the electronic key left inside the
vehicle?
When locking the doors, make sure that
you have the electronic key on your per-
son.
The function may not operate prop-
erly due to the condition of the radio
wave. ( P.109) 
Is the child-protector lock set?
The rear door cannot be opened
from inside the vehicle when the
lock is set.
Open the rear d oor from outside
and then unlock the child-protector
lock. ( P.99)
 The function to prevent the elec-
tronic key from being left inside the
trunk will operate and you can open
the trunk as usual. Take the key out
from the trunk. ( P.104)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.144)
 Is the shift lever in P? ( P.149)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.108)
 Is the steering wheel unlocked?
( P.145)
 Is the electronic key battery weak or
depleted?
If you have a problem, check the
following before contacting your
Lexus dealer.
The doors cannot be locked,
unlocked, opened or closed
You lose your keys
The doors cannot be locked or
unlocked
The rear door cannot be opened
The trunk lid is closed with the
electronic key left inside
If you think something is wrong
The engine does not start

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

440Alphabetical index
Compartment ............................................... 312
Engine switch.................................................144
Fuel pump shut off system ................... 350
Hood................................................................. 310
How to start the engine............................144
Identification number ...............................389
If the engine will not start ....................... 374
If your vehicle has to be stopped in an emergency ................................................ 344
Ignition switch (engine switch) .............144
Overheating .................................................382
Tachometer .............................................. 68, 71
Engine coolant ................................................316 Capacity ......................................................... 392
Checking .........................................................316
Preparing and checking before winter...........................................................................251
Engine coolant temperature gauge .68, 71
Engine immobilizer system ........................ 59
Engine oil ..........................................................313 Capacity .........................................................390
Checking .........................................................313
Preparing and checking before winter...........................................................................251
Warning light ............................................... 352
Engine oil maintenance data ....................315
Engine switch .................................................. 144 Auto power off function ........................... 147
Changing the engine switch modes.. 147
If your vehicle has to be stopped in an emergency ................................................ 344
Starting the engine ...................................... 144
Enhanced Vehicle Stability Control (Enhanced VSC) ...................................... 246
Enhanced VSC (Enhanced Vehicle Stabil- ity Control) .................................................. 246
EPS (Electric Power Steering) .............. 246 Function .......................................................... 246
Warning light ...............................................353
Event data recorder (EDR) ........................... 8F
Flat tire ............................................................. 365 Tire pressure warning system ............. 322
Floor mats ...........................................................22
Fluid Automatic transmission ..........................393
Brake ................................................................394
Washer ............................................................ 319
Footwell light ................................................. 273
Front passenger occupant classification system ...............................................................37
Front seats ......................................................... 112 Adjustment ....................................................... 112
Cleaning .......................................................... 301
Correct driving posture ............................ 23
Driving position memory .......................... 113
Head restraints............................................... 116
Memory recall function.............................. 115
Power easy access system ...................... 113
Seat heaters ..................................................269
Seat position memory ................................ 113
Seat ventilators ............................................269
Front side marker light ............................... 158 Light switch .................................................... 158
Front side marker lights Replacing light bulbs................... 338, 339
Wattage ......................................................... 396
Front turn signal lights .................................153 Replacing light bulbs................... 338, 339
Turn signal lever .......................................... 153
Wattage ......................................................... 396
Fuel ......................................................................169 Capacity ........................................................ 390
Fuel gauge.................................................68, 71
Fuel pump shut off system.................... 350
Information ....................................................397
Refueling.......................................................... 169
Type ................................................................. 390
Warning light ...............................................354
Fuel consumption Average fuel economy .............................. 78

Alphabetical index441
Current fuel consumption........................ 78
Fuel filler door .................................................169 If the fuel filler door cannot be opened......................................................................... 376
Refueling ..........................................................169
Fuel gauge ...................................................68, 71
Fuel pump shut off system........................350
Fuses ................................................................. 335
G
Garage door opener ................................. 289
Gauges .........................................................68, 71
Gear Position ................................................... 80
G-force ................................................................79
Glove box ........................................................ 277
Glove box light ..............................................277
Grocery bag hooks .................................... 279
H
Hands Free Power Trunk Lid .................. 103
Headlights ....................................................... 158 AHB (Automatic High Beam)............... 161
Light switch.................................................... 158
Replacing light bulbs................................338
Headlights aim .............................................. 337
Head restraints ................................................ 116
Head-up display.............................................. 83 Driving information display area........... 83
Driving support system display area ..85
Eco Driving Indicator .................................86
HUD (Head-up display) switch............ 84
Navigation system-linked display ........ 83
Pop-up display...............................................85
Settings .............................................................. 84
Heated steering wheel .............................. 269
Heaters Air conditioning system.......................... 262
Heated steering wheel............................ 269
Outside rear view mirrors .................... 263
Seat heaters .................................................. 269
High mounted stoplight Replacing light bulbs............................... 338
Hill-start assist control ............................... 246
Hood .................................................................. 310 Open................................................................. 310
Hooks Cargo hooks................................................ 279
Coat hooks .................................................. 288
Grocery bag hooks.................................. 279
Retaining hooks (floor mat) ..................... 22
Horn ..................................................................... 119
HUD (Head-up display) switch................ 84
I
I/M test ............................................................ 307
Identification Engine............................................................. 389
Vehicle ........................................................... 388
Ignition switch (engine switch).................144 Auto power off function............................147
Changing the engine switch modes ..147
If your vehicle has to be stopped in an emergency................................................. 344
Starting the engine ......................................144
Immobilizer system........................................ 59
Indicators ........................................................... 66
Initialization Items to initialize .......................................... 419
Maintenance......................................303, 315
Power windows............................................123
Tire pressure warning system ............. 324
Inside rear view mirror ................................. 119
Instrument panel light control ........... 70, 75
Interior lights.................................................. 273
Intuitive parking assist........................215, 216 Function ............................................................216
Warning message ...................................... 218
J
JackPositioning a floor jack ............................. 310
Vehicle-equipped jack .......................... 366

446Alphabetical index
Spark plug ...................................................... 392
Specifications ................................................388
Speedometer .............................................68, 71
Sport mode ......................................................213
Steering lockColumn lock release..................................145
Steering lock system warning message...........................................................................145
Steering wheel ................................................. 118 Adjustment....................................................... 118
Heated steering wheel............................ 269
Meter control switches ...............................77
Power easy access system ...................... 113
Steering wheel position memory ......... 113
Stop lights Replacing light bulbs................................338
Storage feature .............................................276
Stuck If the vehicle becomes stuck............... 385
Suggestion function.........................................81
Sunshade Roof ......................................................... 126, 128
Sun visors ........................................................280
Switches “ODO TRIP” switch........................... 70, 75
“SOS” button .................................................. 55
Automatic High Beam............................... 161
Brake Hold switch ..................................... 156
BSM (Blind Spot Monitor) switch ....209
Door lock switches ......................................98
Driving Mode Select switch................... 213
Driving position memory switches ...... 113
Dynamic radar cruise control with full-speed range switch ................................ 198
Electronic roof sunshade switches .....128
Emergency flashers switch ................... 344
Engine switch.................................................144
Garage door opener switches ..........289
Heated steering wheel switch............. 269
HUD (Head-up display) switch............ 84
Ignition switch................................................144
Instrument panel light control switches .................................................................... 70, 75
Intuitive parking assist switch ................. 217
Light switches ............................................... 158
LTA (Lane Tracing Assist) switch ........ 191
Meter control switches ...............................77
Moon roof switches................................... 125
Outside rear view mirror switches .... 120
Paddle shift switches .........................151, 152
Panoramic moon roof switches .......... 128
Parking brake switch................................. 154
PCS OFF switch ..........................................179
PKSB (Parking Support Brake) switch .......................................................................... 234
Power door lock switch ............................98
Power window switches ..........................123
RCD (Rear Camera Detection) switch .......................................................................... 229
RCTA switch................................................ 224
Rear sunshades switch........................... 286
Rear window and outside rear view mir- ror defoggers switch ............................ 262
Seat heater switches.................................269
Seat ventilator switches ..........................269
Tilt and telescopic steering control switch ...............................................................118
Tire pressure warning reset switch... 324
Trunk closer switch .................................... 104
Trunk opener main switch...................... 106
Trunk opener switch ................................. 102
Vehicle-to-vehicle distance switch.... 198
VSC OFF switch ....................................... 247
Window lock switch...................................124
Windshield wiper and washer switch164
Windshield wiper de-icer switch.......266
T
Tachometer.................................................68, 71 Rev indicator ................................................... 73
Rev peak............................................................ 73
Tail lights........................................................... 158 Light switch .................................................... 158
Replacing light bulbs............................... 338