2020 Lexus ES350 steering wheel

432What to do if... (Troubleshooting)
1-1.What to do if... (Troubleshooting)What to do if... (Troubleshooting)
If you lose your mechanical keys,
new genuine mechanical keys can
be made by your Lexus dealer.
( P.377)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.377)
 Is the electronic key battery weak or
depleted? ( P.336)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( P.146)
 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.107) 
Is the child-protector lock set?
The rear door cannot be opened
from inside the vehicle when the
lock is set.
Open the rear door from outside
and then unlock the child-protector
lock. ( P.98)
 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.103)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.143)
 Is the shift lever in P? ( P.147)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.106)
 Is the steering wheel unlocked?
( P.144)
 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

433What to do if... (Troubleshooting)
In this case, the engine can be started in a
temporary way. ( P.379)
Is the battery discharged?
( P.380)
 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.149)
 It is locked automatically to prevent
theft of the vehicle. ( P.144)
 Is the window lock switch pressed?
The power window at the except for the
one at the driver’s seat cannot be operated
if the window lock switch is pressed.
( P.125)
 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.146) 
The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.357, 357)
 The parking brake indicator is on
Is the parking brake released? ( P.152)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.354, 364)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
( P.62)
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.364)
 When a warning light turns on or a
warning message is displayed, refer
to P.354, 364.
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

436Alphabetical index
C
Care ...................................................... 302, 305Aluminum wheels ...................................... 302
Exterior ........................................................... 302
Interior ............................................................ 305
Seat belts....................................................... 305
Cargo capacity................................................ 141
Cargo hooks ................................................. 278
Center Display ............................................. 254
Chains .............................................................. 250
Child-protectors............................................. 98
Child restraint system................................... 42 Fixed with a LATCH system .................. 49
Fixed with a seat belt................................... 46
Front passenger occupant classification system ..............................................................37
Points to remember .....................................42
Riding with children ......................................42
Types of child restraint system installation method ........................................................... 43
Using an anchor bracket ............................ 51
Child safety ....................................................... 42 Airbag precautions...................................... 33
Battery precautions ........... 321, 382, 382
Child restraint system................................. 43
Heated steering wheel and seat heater precautions................................................268
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................ 127
Panoramic moon roof precautions ..... 131
Power window lock switch.....................125
Power window precautions ...................125
Rear door child-protectors ..................... 98
Removed electronic key battery precau- tions ............................................................... 337
Seat belt extender precautions ............. 25
Seat belt precautions ...................................24
Trunk precautions ........................................ 99
Cleaning.............................................. 302, 305 Aluminum wheels ...................................... 302 Exterior............................................................302
Interior ............................................................ 305
Radar sensor .....................................169, 205
Seat belts ....................................................... 305
Clock ................................................ 70, 73, 279
Coat hooks..................................................... 290
Compass ......................................................... 297
Condenser .......................................................319
Console box ...................................................276
Console box light .........................................276
Cooling system.............................................. 318 Engine overheating.................................. 383
Cornering lights ............................................ 158 Replacing light bulbs ..................................341
Cruise control Dynamic radar cruise control with full-
speed range ............................................... 193
Cup holder ......................................................276
Current fuel consumption ...........................79
Curtain shield airbags .................................. 28
Customizable features .............................. 406
D
Daytime running light system ...................156
Defogger Outside rear view mirrors..................... 262
Rear window ................................................ 262
Windshield .................................................... 262
Dimension ......................................................388
Dinghy towing................................................. 142
Display BSM (Blind Spot Monitor)....................203
Dynamic radar cruise control with full-
speed range ............................................... 193
Head-up display............................................84
Intuitive parking assist ................................ 212
LTA (Lane Tracing Assist) ..................... 187
Multi-information display ...........................77
Parking Support Brake function (rear pedestrians)............................................... 242
RCD (Rear Camera Detection) ........ 223
RCTA.................................................................219

Alphabetical index439
G
Garage door opener ...................................291
Gauges ....................................................... 70, 73
Gear Position.....................................................81
G-force.................................................................81
Glove box ........................................................276
Glove box light ..............................................276
Grocery bag hooks .................................... 278
H
Hands Free Power Trunk Lid ...................102
Headlights ........................................................156Adaptive Front-lighting System (AFS).......................................................................... 158
Automatic High Beam system............. 159
Light switch .................................................... 156
Replacing light bulbs.................................. 341
Headlights aim .............................................. 340
Head restraints ................................................ 117
Head-up display.............................................. 84 Driving information display area........... 84
Driving support system display area .. 86
Eco Driving Indicator ................................. 87
HUD (Head-up display) switch............85
Navigation system-linked display ........ 84
Pop-up display............................................... 86
Settings .............................................................. 85
Heated steering wheel .............................. 268
Heaters Air conditioning system............................ 261
Heated steering wheel............................268
Outside rear view mirrors .................... 262
Seat heaters ..................................................268
High mounted stoplight Replacing light bulbs.................................. 341
Hill-start assist control ............................... 245
Hood ...................................................................314 Open ................................................................. 314
Hooks Cargo hooks................................................ 278
Coat hooks ...................................................290 Grocery bag hooks..................................278
Retaining hooks (floor mat) ..................... 22
Horn ....................................................................120
HUD (Head-up display) switch ................ 85
I
I/M test ............................................................... 311
Identification Engine............................................................. 389
Vehicle ........................................................... 388
Ignition switch (engine switch).................143 Auto power off function........................... 146
Changing the engine switch modes . 146
If your vehicle has to be stopped in an emergency .................................................346
Starting the engine ......................................143
Immobilizer system........................................ 60
Indicators ........................................................... 68
Initialization Items to initialize ...........................................417
Maintenance...................................... 307, 318
Power windows ............................................124
Tire pressure warning system .............328
Inside rear view mirror ................................120
Instrument panel light control ............72, 76
Interior lights...................................................272
Intuitive parking assist......................... 211, 212 Function ............................................................ 212
Warning message ...................................... 215
J
JackPositioning a floor jack ..............................314
Vehicle-equipped jack .......................... 369
Jack handle .................................................... 369
Jam protection function Electronic roof sunshade ........................ 130
Moon roof ....................................................... 127
Panoramic moon roof .............................. 130
Power trunk opener and closer .......... 103
Power windows ............................................124

444Alphabetical index
Steering lock system warning message........................................................................... 144
Steering wheel ................................................. 119 Adjustment....................................................... 119
Heated steering wheel............................268
Meter control switches .............................. 78
Power easy access system .......................114
Steering wheel position memory ..........114
Stop lights Replacing light bulbs.................................. 341
Storage feature ............................................ 275
Stuck If the vehicle becomes stuck............... 385
Suggestion function....................................... 83
Sunshade Roof .......................................................... 127, 129
Sun visors ........................................................ 279
Switches “ODO TRIP”switch ...............................71, 76
“SOS” button .................................................. 54
Automatic High Beam system............. 159
Brake Hold switch ......................................154
BSM (Blind Spot Monitor) switch .... 203
Door lock switches ...................................... 97
Driving Mode Select switch .................209
Driving position memory switches .......114
Dynamic radar cruise control with full-speed range switch .................................194
Electronic roof sunshade switches ..... 129
Emergency flashers switch ................... 346
Engine switch................................................. 143
Garage door opener sw itches ............ 291
Heated steering wheel switch.............268
HUD (Head-up display) switch............85
Ignition switch................................................143
Instrument panel light control switches .................................................................... 72, 76
Intuitive parking assist switch................. 213
Light switches ............................................... 156
LTA (Lane Tracing Assist) switch.......187
Meter control switches .............................. 78
Moon roof switches ................................... 126 Outside rear view mirr
or switches ...... 121
Paddle shift switches ...................... 150, 150
Panoramic moon roof switches ...........129
Parking brake switch................................. 152
PCS OFF switch .......................................... 177
PKSB (Parking Support Brake) switch .......................................................................... 227
Power door lock switch ............................ 97
Power window switches ..........................124
RCD (Rear Camera Detection) switch .......................................................................... 223
RCTA switch ..................................................219
Rear sunshades switch........................... 288
Rear window and outside rear view mir- ror defoggers switch ..............................261
Seat heater switches................................ 268
Seat ventilator switches ......................... 268
Tilt and telescopic steering control switch ............................................................................. 119
Tire pressure warning reset switch...328
Trunk closer switch .................................... 102
Trunk opener main switch...................... 105
Trunk opener switch ................................... 101
Vehicle-to-vehicle distance switch.... 194
VSC OFF switch ....................................... 246
Window lock switch.................................. 125
Windshield wiper and washer switch 161
Windshield wiper de-icer switch.......265
T
Tachometer............................................... 70, 73 Rev indicator ................................................... 75
Rev peak............................................................ 75
Tail lights............................................................156 Light switch .................................................... 156
Replacing light bulbs ..................................341
Theft deterrent system Alarm................................................................... 62
Engine immobilizer system......................60
Tire inflation pressure ..................................331 Maintenance data ......................................393

446Alphabetical index
Airbags ...........................................................355
Approach warning......................................199
Brake hold.......................................................361
Brake Override System .........................356
Brake system ............................................... 354
Charging system .......................................355
Downshifting ........................................ 150, 151
Drive-Start Control ..................................356
Electric power steering ..........................356
Engine .............................................................355
High coolant temperature .................... 354
Intuitive parking assist................... 218, 358
Low engine oil pressure.........................355
LTA (Lane Tracing Assist)......... 182, 358
Open door.............................................. 96, 98
Open hood...................................................... 98
Open trunk ...................................................... 98
Open window ...............................................125
PKSA (Parking Support Alert) ............. 212
PKSB (Parking Support Brake) .........359
Pre-collision braking.................................. 175
RCD (Rear Camera Detection) ........359
RCTA (Rear Cross Traffic Alert) ......359
Seat belt .......................................................... 357
Warning lights............................................... 354 ABS ..................................................................356
Brake hold operated indicator .............361
Brake Override System .........................356
Brake system ............................................... 354
Charging system .......................................355
Drive-Start Control ..................................356
Electric power steering ..........................356
High coolant temperature .................... 354
Intuitive parking assist OFF indicator........................................................................ 358
Low engine oil pressure.........................355
Low fuel level ............................................... 357
LTA indicator .............................................. 358
Malfunction indicator lamp...................355
Master warning light ..................................361
Parking brake indicator ..........................360
PKSB OFF indicator ................................359 Pre-collision system................................. 360
RCD OFF indicator................................. 359
RCTA OFF indicator .............................. 359
Seat belt reminder light...........................357
Slip indicator ................................................ 360
SRS ................................................................... 355
Tire pressure ............................................... 358
Warning messages ..................................... 364
Washer ............................................................... 161 Checking .........................................................321
Preparing and checking before winter.......................................................................... 249
Switch.................................................................. 161
Washing and waxing.................................. 302
Weight Cargo capacity .............................................. 141
Load limits ........................................................ 141
Weight............................................................ 388
Wheel lock key............................................. 369
Wheels ............................................................. 333 Size ....................................................................393
Window lock switch .....................................125
Windows ........................................................... 124
Power windows ............................................124
Rear window defogger........................... 262
Washer .............................................................. 161
Windshield wiper de-icer ........................ 265
Windshield wipers ......................................... 161 Position............................................................. 165
Rain-sensing windshield wipers ............ 161
Winter driving tips....................................... 249
Wireless charger ...........................................281
Wireless remote control ............................. 93 Battery-Saving Function.......................... 107
Locking/Unlocking ..................................... 93
Replacing the battery ...............................336
For information regarding the equipment listed below, refer to