2020 LEXUS LS500 steering wheel

496What 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.436)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.436)
 Is the electronic key battery weak or
depleted? ( P.403)
 Is the engine switch in IGNITION
ON mode?
When locking the doors, turn the engine
switch off. ( P.168)
 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.113)
 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.103)
 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.109)
 Did you press the engine switch
while firmly depressing the brake
pedal? ( P.165)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.112)
 Is the steering wheel unlocked?
( P.165)
 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 electronic key does not
operate properly
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

497What to do if... (Troubleshooting)
In this case, the engine can be started in a
temporary way. (P.438)
Is the battery discharged?
( P.439)
 It is locked automatically to prevent
theft of the vehicle. ( P.165)
 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.145)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY mode for a period of
time. ( P.168)
 The seat belt reminder light is flash-
ing
Are the driver and the front passenger
wearing the seat belts? ( P.422)
 The parking brake indicator is on
Is the parking brake released? ( P.176)
Depending on the situation, other
types of warning buzzer may also sound. (
P.419, 429)
 Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
( P.65)
Do one of the following to deactivate
or stop the alarms:
 Unlock the doors.
 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 message displayed on the
multi-information display?
Check the message on the multi-informa-
tion display. ( P.429)
 When a warning light turns on or a
warning message is displayed, refer
to P.419, 429.
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
When a problem has occurred
If you have a flat tire

500Alphabetical Index
Parking brake ................................................ 176
Warning light .................................................419
Brake assist .................................................... 297
Break-in tips.................................................... 155
Brightness control Instrument panel light control ........75, 79
BSM (Blind Spot Monitor).........................251
Buzzer Hands off steering wheel warning (LTA)......................................................................... 237
C
Card key ............................................................ 96
Care Aluminum wheels ...................................... 362
Exterior ........................................................... 362
Interior .............................................................365
Seat belts........................................................365
Cargo capacity...............................................163
Cargo net ....................................................... 343
Center Display .............................................. 310
Chains .............................................................. 304
Child restraint system Fixed with a LATCH system .................. 53
Fixed with a seat belt................................... 49
Front passenger occupant classification system ............................................................. 39
Points to remember .................................... 45
Riding with children ..................................... 45
Types of child restraint system installation method ........................................................... 46
Using an anchor bracket .......................... 55
Child safety Airbag precautions...................................... 34
Battery precautions ..................... 385, 443
Child restraint system................................. 46
Heated steering wheel and seat heater precautions................................................330
How your child should wear the seat belt ............................................................................ 25
Moon roof precautions ............................ 147
Panoramic moon roof precautions ..... 151 Power window lock switch .................... 145
Power window precautions ...................144
Rear door child-protectors ................... 103
Removed electronic key battery precau-
tions .............................................................. 404
Seat belt extender precautions.............. 25
Seat belt precautions .................................. 45
Trunk precautions....................................... 104
Child-protectors........................................... 103
Cleaning Aluminum wheels ......................................362
Exterior............................................................362
Interior ............................................................ 365
Radar sensor .......................................193, 199
Seat belts ....................................................... 365
Clock ................................................73, 76, 348
Clock light ...................................................... 334
Coat hooks..................................................... 347
Coin holder .................................................... 340
Condenser ..................................................... 383
Console box ....................................................341
Consumption screen ...................................... 91
Cooling system............................................. 382 Engine overheating................................... 444
Cornering lights .............................................182
Cruise control Dynamic radar cruise control with full-speed range ........................... 238, 241
Cup holders ................................................... 340
Current fuel consumption .......................... 82
Curtain shield airbags .................................. 29
Customizable features .............................. 470
D
Daytime running light system .................. 180
Defogger Outside rear view mirrors...................... 318
Rear window ................................................. 318
Windshield ..................................................... 318
Differential Front differential oil............. .......................454
Rear differential oil......... ..................... ...... 455

503Alphabetical Index
Front side marker lightLight switch .................................................... 180
Replacing light bulbs............................... 408
Front turn signal lights Replacing light bulbs............................... 408
Turn signal lever ........................................... 175
Fuel Capacity ...........................................................451
Fuel gauge ............................................... 73, 76
Fuel pump shut off system ..................... 418
Information ....................................................459
Refueling ......................................................... 190
Type....................................................................451
Warning light ............................................... 422
Fuel consumption Average fuel economy .............................. 82
Current fuel consumption........................ 82
Fuel filler door If the fuel filler door cannot be opened......................................................................... 436
Refueling ......................................................... 190
Fuel gauge ..................................................73, 76
Fuel pump shut off system......................... 418
Fuses ................................................................. 405
G
Garage door opener ................................. 354
Gauges ........................................................73, 76
Gear Position................................................... 84
G-force............................................................... 84
Glove box ....................................................... 339
Glove box light ............................................. 340
H
Hands Free Power Trunk Lid ...................107
Head restraints ...............................................135
Headlights Adaptive Front-lighting System (AFS)...........................................................................182
Automatic High Beam system............. 183
Light switch .................................................... 180 Replacing light bulbs ............................... 408
Head-up display.............................................. 87 Driving information display area ........... 87
Driving support system display area ..90
Eco Driving Indicator....................................91
HUD (Head-up display) switch ............89
Navigation system-linked display ........ 87
Pop-up display ...............................................90
Settings...............................................................89
Heated steering wheel .............................. 330
Heaters Front automatic air conditioning system............................................................................317
Heated steering wheel ........................... 330
Outside rear view mirrors...................... 318
Rear automatic air conditioning system
.......................................................................... 327
Seat heaters ................................................. 330
Height control Electronically modulated air suspension..........................................................................295
Hill-start assist control ............................... 298
Hood Open................................................................375
Pop Up Hood................................................. 37
Hooks Coat hooks ................................................... 347
Retaining hooks (floor mat) ..................... 22
Horn ....................................................................139
HUD (Head-up display) switch ................ 89
I
I/M test ............................................................ 372
Identification Engine............................................................... 451
Vehicle ........................................................... 450
Ignition switch (engine switch).................165 Auto power off function........................... 168
Changing the engine switch modes . 168
If your vehicle has to be stopped in an emergency .................................................. 410
Indicators ........................................................... 70

508Alphabetical Index
SeatsAdjustment............................................. 119, 126
Adjustment precautions ............................ 119
Child seats/child restraint system installa-tion .................................................................... 45
Cleaning.........................................................365
Driving position memory........................ 130
Front seat refresh system......................... 124
Head restraints .............................................135
Power easy access system .................... 130
Properly sitting in the seat .........................23
Rear seat relaxation system....................128
Seat heaters ..................................................330
Seat position memory .................... 130, 134
Seat ventilators............................................330
Secondary Collision Brake ..................... 297
Sensor Automatic headlight system.................. 180
Automatic High Beam system............. 183
Inside rear view mirror............................. 140
Intuitive parking assist.............................. 259
LTA (Lane Tracing Assist).................... 226
Parking Support Brake function (rear-crossing vehicles)......................285
Parking Support Brake function (static objects)........................................................280
Radar sensor........................... 192, 199, 253
Rain-sensing windshield wipers.......... 186
RCTA .............................................................. 267
Service reminder message ..................... 368
Shift lever Automatic transmission ............................169
Shift lever light .............................................. 334
Shopping bag hooks .................................. 343
Side airbags ...................................................... 29
Side marker lights Light switch .................................................... 180
Replacing light bulbs............................... 408
Side mirrors Adjustment........................................................141
BSM (Blind Spot Monitor) .....................251
Folding .............................................................. 142 Linked mirror functi
on when reversing
............................................................................. 141
Mirror position memory .......................... 130
RCTA function ............................................266
Side turn signal lights Replacing light bulbs ............................... 408
Turn signal lever ...........................................175
Side windows ..................................................143
Smart access system with push-button startAntenna location ............................................. 111
Entry functions .............................................. 100
Starting the engine ..................................... 165
Snow mode ...................................................... 172
Snow tires ....................................................... 303
Spark plug ...................................................... 453
Specifications ................................................ 450
Speedometer ............................................73, 76
Steering lock Column lock release ................................. 165
Steering lock system warning message........................................................................... 165
Steering wheel Adjustment ..................................................... 139
Heated steering wheel ........................... 330
Meter control switches ............................... 81
Power easy access system .................... 130
Steering wheel position memory........ 130
Stop lights Replacing light bulbs ............................... 408
Storage features .......................................... 338
Stuck If the vehicle becomes stuck ................ 447
Suggestion function....................................... 86
Sun visors ........................................................350
Sunshade Roof.................................................................... 146
Switches Activating the Automatic High Beam183
Automatic High Beam system ............. 183
Brake Hold switch...................................... 178
Door lock switches .................................... 102

509Alphabetical Index
Driving mode select switch .................. 292
Driving position memory switches .... 130
Dynamic radar cruise control with full-speed range switch ......................... 241
Electronic roof sunshade switches .... 148
Emergency flashers switch .................... 410
Engine switch................................................ 165
Garage door opener switches .......... 354
Heated steering wheel switch.............330
HUD (Head-up display) switch............ 89
Ignition switch............................................... 165
Instrument panel light control switches ....................................................................75, 79
Intuitive parking assist switch...............260
Light switches ............................................... 180
LTA (Lane Tracing As sist) switch..... 232
Meter control switches ................................81
Moon roof switches ...................................146
“ODO TRIP” switch ............................ 74, 79
Outside rear view mirror switches .......141
Paddle shift switches ........................ 173, 174
Panoramic moon roof switches .......... 148
Parking brake switch ................................. 176
PCS OFF switch ............................. 208, 218
PKSB (Parking Support Brake) switch ......................................................................... 274
Power door lock switch ...........................102
Power window switches ..........................143
RCD (Rear Camera Detection) switch ......................................................................... 270
RCTA switch................................................ 266
Rear door sunshade switch................. 350
Rear seat heater ......................................... 328
Rear seat position memory switches. 134
Rear seat ventilator ................................... 328
Rear sunshades switch ........................... 352
Rear window and outside rear view mir- ror defoggers switch .............................. 317
Seat heater switches ................................330
Seat ventilator switches ..........................330
Snow mode switch ..................................... 172
“SOS” button .................................................. 58 Tilt and telescopic steering control switch
........................................................................... 139
Tire pressure warning reset switch...392
Trunk closer switch ....................................108
Trunk opener main switch........................ 110
Trunk opener switch ................................. 106
Vehicle-to-vehicle distance switch.....241
VSC OFF switch .......................................299
Window lock switch.................................. 145
Windshield wiper and washer switch185
Windshield wiper de-icer switch....... 322
T
Tachometer................................................73, 76 Rev indicator ................................................... 78
Rev peak............................................................ 78
Tail lights Light switch ....................................................180
Replacing light bulbs ............................... 408
Theft deterrent system Alarm...................................................................65
Engine immobilizer system...................... 63
Tire inflation pressure Maintenance data ..................................... 456
Tire inflation pressure display function......................................................................... 389
Warning light ............................................... 423
Tire information ..............................................461 Glossary .........................................................464
Size .................................................................... 462
Tire identification number...................... 462
Uniform Tire Quality Grading ............463
Tire pressure display ... ............................... 389
Tire pressure warning system Function ......................................................... 389
Initializing........................................................392
Installing tire pres sure warning valves
and transmitters........................................ 391
Registering ID codes ...............................393
Warning light ............................................... 423
Tires Chains ............................................................ 304

511Alphabetical Index
Hands off steering wheel warning (LTA)......................................................................... 237
High coolant temperature ......................419
Intuitive parking assist.................. 265, 423
Low engine oil pressure......................... 420
LTA (Lane Tracing Assist)226, 229, 423
Open door............................................ 101, 103
Open window ............................................... 144
PKSA (Parking Support Alert) ...........258
PKSB (Parking Support Brake) ......... 424
Pop Up Hood ............................................... 421
Pre-collision braking......................205, 217
RCD (Rear Camera Detection) ........ 424
RCTA (Rear Cross Traffic Alert) ...... 424
Seat belt .......................................................... 422
Warning lights.................................................419 ABS .................................................................... 421
Brake hold operated indicator ........... 426
Brake Override System ........................... 421
Brake system .................................................419
Charging system ....................................... 420
Drive-Start Control .................................... 421
Electric power steering .......................... 422
High coolant temperature ......................419
Intuitive parking assist OFF indicator423
Low engine oil pressure......................... 420
Low fuel level ............................................... 422
LTA indicator ............................................... 423
Malfunction indicator lamp................... 420
Master warning light ................................ 426
Parking brake indicator .......................... 425
PKSB OFF indicator ................................ 424
Pop Up Hood ............................................... 421
Pre-collision system ................................. 425
RCD OFF indicator ................................. 424
RCTA OFF indicator............................... 424
Seat belt reminder light .......................... 422
Slip indicator ................................................ 425
SRS.................................................................... 420
Tire pressure ................................................ 423
Warning messages ..................................... 429
Warning reflector storag e belt.............. 344Washer
Adding............................................................ 384
Preparing and checking before winter......................................................................... 303
Switch................................................................ 185
Washing and waxing.................................. 362
Weight Cargo capacity ............................................ 163
Load limits ...................................................... 163
Weight............................................................ 450
Wheels Replacing wheels ...................................... 395
Size ................................................................... 456
Window lock switch .....................................145
Windows Power windows ............................................143
Rear window defogger............................ 318
Washer ............................................................ 185
Windshield wiper de-icer ........................ 323
Windshield wipers Position............................................................. 188
Rain-sensing windshield wipers .......... 185
Winter driving tips....................................... 303
Wireless remote control Battery-Saving Function............................ 112
Locking/Unlocking .....................................98
Replacing the battery .............................. 403
For information regarding the equipment listed below, refer to
the “NAVIGATION AND MULTI-
MEDIA SYSTEM OWNER’S
MANUAL”.
· Navigation system
· Audio/visual system
· Rear seat entertainment system
· Lexus parking assist monitor