
480 8-2. Customization
LS500_OM_OM50F54U_(U) *
:If equipped ■
Heated steering wheel *
 ( → P.326)*
:If equipped
■
Illumination ( → P.330)Left-hand rear seat tempera-
ture preference in automatic 
mode *
Standard -2 (cooler) to 2 
(warmer) O — — O
Right-hand rear seat tem-
perature preference in auto-
matic mode *
Standard -2 (cooler) to 2 
(warmer) O — — O
Engine switch linked auto-
matic activation of the 
left-hand rear seat 
heater/ventilator *
Off On O — — O
Engine switch linked auto-
matic activation of the 
right-hand rear seat 
heater/ventilator *
Off On O — — O
Function Default setting Customized set-
ting
Steering wheel heating pref-
erence in automatic mode Standard -2 (low) to 2 
(high) O — — O
Function Default setting Customized set-
ting
Time elapsed before the inte-
rior lights turn off 15 seconds Off
O — — O7.5 seconds
30 seconds
Operation after the engine 
switch is turned off On Off — — — O
Operation when the doors 
are unlocked On Off — — — OFunction Default setting Customized set-
ting A B C D
A B C D
A B C D 

4818-2. Customization
LS500_OM_OM50F54U_(U) 8
Vehicle specifications
■
Vehicle customization●
When the smart access system with 
push-button start is off, the entry unlock 
function cannot be customized.●
When the doors remain closed after 
unlocking the doors and the timer acti-
vated automatic door lock function acti-
vates, signals will be generated in 
accordance with the operation buzzer 
volume and operational signal (Emer-
gency flashers) function settings.
●
Some settings can be changed using a 
switch or the audio system screen. If a 
setting is changed using a switch, the 
changed setting will not be reflected on 
the audio system screen until the engine 
switch is turned of f and then to IGNI- TION ON mode. ■
Clock settings screen
If the clock adjustment  screen is displayed 
continuously when attempting to change 
the clock settings, the system may be mal-
functioning. Have the vehicle inspected by 
your Lexus dealer.Operation when you 
approach the vehicle with the 
electronic key on your person On Off — — — O
Footwell lights On Off — — — O
Instrument panel ornament 
light and door trim ornament 
lights On Off — — — O
Time elapsed before the outer 
foot lights turn off 15 seconds Off
O — — O7.5 seconds
30 seconds
Operation of the outer foot 
lights when you approach the 
vehicle with the electronic 
key on your person On Off — — — O
Operation of the outer foot 
lights when the doors are 
unlocked On Off — — — O
Operation of the outer foot 
lights when a door is opened On Off — — — O
Fading out of the outer foot 
lights when they turn off Long Short — — — OFunction Default setting Customized set-
ting A B C D 

4951-1. What to do if... (Troubleshooting)
LS500_OM_OM50F54U_(U) 495What to do if... (Troubleshooting)
( → P.438)
 It is locked automatically to prevent 
theft of the vehicle. ( → P.160)
 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.141 )
 The auto power off function will be 
operated if the vehicle is left in 
ACCESSORY mode for a period of 
time. ( → P.162)
 The seat belt reminder light is flash-
ing Are the driver and the front passenger 
wearing the seat belts? ( →
P.421 )
 The parking brake indicator is on Is the parking brake released? ( →
P.170 )
Depending on the  situation, other 
types of warning buzzer may also 
sound. ( → P.418, 428)  Did anyone inside the vehicle open 
a door during setting the alarm? The sensor detects it and the alarm sounds. 
( →
P.60 )
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.428 )
 When a warning light turns on or a 
warning message is displayed, refer 
to P.418, 428.
 Slow down the vehicle, drive with 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 

4971-1. What to do if... (Troubleshooting)
LS500_OM_OM50F54U_(U) 497Alphabetical Index
Alphabetical Index A
A/C
Air conditioning filter ............................... 402
Front automatic air conditioning system
...........................................................................313
Micro dust and pollen filter.....................319
Rear air conditioning system ............... 323
ABS (Anti-lock Brake System).............. 294
Warning light ............................................... 420
Active stabilizer suspension system .... 294
Adaptive Front-lighting System (AFS) . 177
Adaptive Variable Suspension System295
AFS (Adaptive Front-lighting System) . 177
Air conditioning filter ................................. 402
Air conditioning system
Air conditioning filter ............................... 402
Front automatic air conditioning system
...........................................................................313
Micro dust and pollen filter.....................319
Rear air conditioning system ............... 323
Airbags
Airbag operating conditions..................... 31
Airbag precautions for  your child ........ 34
Correct driving posture .............................23
Curtain shield airbag operating condi-
tions .................................................................... 31
Curtain shield airbag  precautions ....... 34
Front passenger occupa nt classification 
system ............................................................. 40
General airbag precautions ................... 34
Locations of airbags.................................... 29
Modification and disposal of airbags ..37
Side airbag operating conditions ........... 31
Side airbag precautions ............................ 34
Side and curtain shield airbags operating 
conditions........................................................ 31
Side and curtain shield airbags precau-
tions .................................................................. 34
SRS airbags ..................................................... 29
SRS warning light ........................................419 Alarm
Alarm...................................................................60
Warning buzzer .......................................... 418
Anchor brackets ..................................... 46, 55
Antennas (smart acc ess system with 
push-button start).......................................107
Anti-lock Brake System (ABS).............. 294
Warning light ...............................................420
Approach warning.......................................247
Armrest............................................................ 343
Assist grips ..................................................... 343
Audio system-linked display ........................81
Automatic headlight leveling system .... 176
Automatic High Beam ................................178
Automatic light control system................ 175
Automatic transmission ..............................163
M mode ........................................................... 168
Paddle shift switches .......................167, 168
Snow mode.....................................................167
Auxiliary boxes ................................. 338, 340
Average fuel economy................................. 78
Average vehicle speed ................................ 78
B
Back-up lights
Replacing light bulbs ............................... 408
Battery
Battery checking ....................................... 384
If the battery is discharged ................... 438
Preparing and checking before winter
..........................................................................299
Warning light ................................................ 419
Blind Spot Monitor (BSM).........................251
Boost gauge.......................................................79
Brake
Brake hold .......................................................173
Fluid...................................................................453
Parking brake ............................................... 170
Warning light ................................................ 418
Brake assist .................................................... 294
Break-in tips...................................................... 151 

498 Alphabetical Index
LS500_OM_OM50F54U_(U) Brightness control
Instrument panel light control ..........71, 75
BSM (Blind Spot Monitor).........................251 C
Card key ............................................................ 92
Care
Aluminum wheels ...................................... 362
Exterior ........................................................... 362
Interior .............................................................365
Seat belts........................................................365
Cargo capacity.............................................. 158
Cargo net ....................................................... 339
Center Display ............................................. 306
Chains ..............................................................300
Child restraint system
Fixed with a LATCH system .................. 53
Fixed with a seat belt................................... 49
Front passenger occupa nt classification 
system ............................................................. 40
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, 442
Child restraint system................................. 46
Heated steering wheel and seat heater 
precautions................................................ 326
How your child should wear the seat belt
............................................................................ 25
Moon roof precautions ............................143
Panoramic moon roof precautions .... 147
Power window lock switch.......................141
Power window precautions .................. 140
Rear door child-protectors ..................... 99
Removed electronic key battery precau-
tions ...............................................................404
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 45 Trunk precautions.......................................100
Child-protectors............................................. 99
Cleaning
Aluminum wheels ......................................362
Exterior............................................................362
Interior ............................................................ 365
Radar sensor .............................. 190, 191, 197
Seat belts ....................................................... 365
Clock ................................................ 69, 72, 344
Clock light ...................................................... 330
Coat hooks..................................................... 343
Coin holder .................................................... 336
Condenser ..................................................... 382
Console box .................................................. 337
Consumption screen .................................... 87
Cooling system.............................................. 381
Engine overheating................................... 443
Cornering lights ............................................. 177
Cruise control
Dynamic radar cruise control with 
full-speed range ........................... 238, 241
Cup holders ................................................... 336
Current fuel consumption .......................... 78
Curtain shield airbags .................................. 29
Customizable features .............................. 468
D
Daytime running light system ................... 175
Defogger
Outside rear view mirrors.......................314
Rear window ..................................................314
Windshield ......................................................314
Differential
Front differential oi l............. .............. .........452
Rear differential oil......... .......... ........... .......453
Dimension ...................................................... 448
Dinghy towing.................................................159
Display
Center Display ........................................... 306
Dynamic radar cruise control with 
full-speed range ........................................241
Head-up display............................................83 

4991-1. What to do if... (Troubleshooting)
LS500_OM_OM50F54U_(U) 499Alphabetical Index
Intuitive parking assist.............................. 257
LKA (Lane-Keeping Assist)................. 234
LTA (Lane-Tracing Assist) ................... 225
Multi-information display .......................... 76
Parking Support Brake function (rear 
pedestrians) ..............................................286
RCD (Rear Camera Detection) ........268
RCTA .............................................................. 264
Warning message..................................... 428
Distance until next engine oil 
change ..................................................... 70, 75
Do-it-yourself maintenance .................... 369
Door courtesy lights ................................... 330
Door lock
Doors.................................................................. 96
Smart access system with push-button 
start ..................................................................107
Wireless remote control........................... 94
Doors
Automatic door lock ing and unlocking 
system ........................................................... 100
Door closer ..................................................... 99
Door glasses ..................................................139
Door lock.......................................................... 96
Open door warning bu zzer .......... 97, 99
Outside rear view mirrors ...................... 137
Rear door child-protectors ..................... 99
Drive distance .................................................. 78
Drive info 1/Drive info 2 .............................. 78
Driver’s seat position memory
Driving position memory......................... 127
Memory recall function ........................... 130
Power easy access system ..................... 127
Drive-start control ......................................... 151
Driving
Break-in tips .................................................... 151
Correct driving posture .............................23
Driving mode select switch ..................289
Procedures .................................................... 150
Winter drive tips......................................... 299
Driving information display ........................ 78 Driving position memory............................ 127
Memory recall function............................ 130
Power easy access system ..................... 127
Driving range ................................................... 78
Driving support system information display
...............................................................................81
DRS (Dynamic Rear Steering) .............. 294
Dynamic radar cruise control with 
full-speed range .............................. 238, 241
Warning message .................................... 250
Dynamic Rear Steering (DRS) .............. 294 E
ECB (Electronically  Controlled Brake Sys-
tem) ................................................................ 294
Eco Driving Indicator............................ 79, 87
Eco Driving Indicator Light .........................79
EDR (Event data recorder) ............................7
Elapsed time ..................................................... 78
Electric Power Steering (EPS) .............. 294
Warning light .................................................421
Electronic key .................................................. 92
Battery-saving function............................108
If the electronic key does not operate 
properly .......................................................436
Replacing the battery .............................. 403
Electronic roof sunshade
Jam protection function ........................... 146
Operation ........................................................144
Electronically Controlled Brake System 
(ECB) ............................................................ 294
Electronically modulated air suspension
............................................................................291
Emergency flashers ..................................... 410
Emergency, in case of
If a warning buzzer sounds.................... 418
If a warning light turns on........................ 418
If a warning message is displayed .....428
If the battery is discharged ................... 438
If the electronic key does not operate 
properly .......................................................436 

500 Alphabetical Index
LS500_OM_OM50F54U_(U) If the engine will not start ....................... 433
If the fuel filler door cannot be opened
......................................................................... 435
If you have a flat tire .................................. 432
If you lose your keys................................. 435
If you think something is wrong ...........416
If your vehicle becomes stuck............. 446
If your vehicle has to  be stopped in an 
emergency ................................................. 410
If your vehicle needs  to be towed ....... 412
If your vehicle overheats ........................ 443
Engine
ACCESSORY mode ............................... 162
Compartment ..............................................377
Engine compartment cover ................. 378
Engine switch................................................ 160
Fuel pump shut off system ...................... 417
Hood................................................................ 375
How to start the engine........................... 160
Identification number ............................... 449
If the engine will not start ....................... 433
If your vehicle has to  be stopped in an 
emergency ................................................. 410
Ignition switch (engine switch) ............ 160
Overheating................................................. 443
Tachometer .............................................69, 72
Engine compartment cover .................... 378
Engine coolant
Capacity ...........................................................451
Checking ........................................................ 381
Preparing and checking before winter
......................................................................... 299
Engine coolant temperature gauge 69, 72
Engine immobilizer system ........................ 58
Engine oil
Capacity .........................................................450
Checking ....................................................... 379
Preparing and checking before winter
......................................................................... 299
Warning light .................................................419
Engine oil maintenance data ................... 381 Engine switch ................................................. 160
Auto power off function............................162
Changing the engine  switch modes ..162
If your vehicle has to be stopped in an 
emergency .................................................. 410
EPS (Electric Power Steering) .............. 294
Warning light .................................................421
Event data recorder (E DR) ............................7 F
FCTA (Front Cross Traffic Alert) ...........218
First-aid kit storage belt ............................ 340
Flat tire
Tire pressure warning system ............ 388
Floor mats ...........................................................22
Fluid
Automatic transmission ..........................452
Brake ................................................................453
Washer .......................................................... 383
Footwell light ................................................. 330
Front air conditioning system ...................313
Front Cross Traffic Alert (FCTA) ...........218
Front passenger occupant classification 
system .............................................................. 40
Front seats
Adjustment ....................................................... 116
Cleaning ........................................................ 365
Correct driving posture ............................ 23
Driving position memory ......................... 127
Head restraints..............................................132
Memory recall function............................ 130
Power easy access system ..................... 127
Refresh system ............................................... 121
Seat heaters ..................................................326
Seat position memory ............................... 127
Seat ventilators ............................................326
Front side marker light
Light switch .....................................................175
Replacing light bulbs ............................... 408
Front turn signal lights
Replacing light bulbs ............................... 408
Turn signal lever .......................................... 169 

5011-1. What to do if... (Troubleshooting)
LS500_OM_OM50F54U_(U) 501Alphabetical Index
Fuel
Capacity ......................................................... 449
Fuel gauge ...............................................69, 72
Fuel pump shut off system ...................... 417
Information .................................................... 457
Refueling ......................................................... 185
Type.................................................................. 449
Warning light ................................................. 421
Fuel consumption
Average fuel economy .............................. 78
Current fuel consumption........................ 78
Fuel filler door
If the fuel filler door cannot be opened
......................................................................... 435
Refueling ......................................................... 185
Fuel gauge ................................................. 69, 72
Fuel pump shut off system.......................... 417
Fuses ................................................................. 405
G
Garage door opener ................................. 349
Gauges ....................................................... 69, 72
Gear Position................................................... 80
G-force............................................................... 80
Glove box ....................................................... 335
Glove box light ............................................. 336
H
Hands Free Power Trunk Lid .................. 103
Head restraints ...............................................132
Headlights
Adaptive Front-lighting System (AFS)
........................................................................... 177
Automatic High Beam system..............178
Light switch ..................................................... 175
Replacing light bulbs............................... 408
Head-up display.............................................. 83
Driving information display area........... 83
Driving support system display area .. 86
Eco Driving Indicator ................................. 87
HUD (Head-up display) switch............85 Navigation system-linked display ........83
Pop-up display ...............................................86
Settings...............................................................85
Heated steering wheel .............................. 326
Heaters
Front air conditioning system ............... 313
Heated steering wheel ............................326
Outside rear view mirrors.......................314
Rear air conditioning system ............... 323
Seat heaters ..................................................326
Height control
Electronically modulated air suspension
.......................................................................... 292
Hill-start assist control ............................... 294
Hood
Open................................................................375
Pop Up Hood.................................................38
Hooks
Coat hooks ...................................................343
Retaining hooks (floor mat) ..................... 22
Horn ....................................................................135
HUD (Head-up display) switch ................ 85
I
I/M test ............................................................ 372
Identification
Engine..............................................................449
Vehicle ........................................................... 448
Ignition switch (engine switch)................ 160
Auto power off function............................162
Changing the engine  switch modes ..162
If your vehicle has to be stopped in an 
emergency .................................................. 410
Indicators ........................................................... 66
Initialization
Items to initialize .........................................482
Maintenance......................................368, 381
Power windows ........................................... 139
Tire pressure warning system .............392
Inside door handle lights........................... 330
Inside rear view mirror ................................136
Instrument panel light  control ............. 71, 75