2018 LEXUS LS500 run flat

5051-1. What to do if... (Troubleshooting)
LS500_OM_OM50F54U_(U) 505Alphabetical Index
Operation........................................................139
Window lock switch ....................................141
Pre-Collision System (PCS)
Function ............................................... 200, 210
PCS OFF switch ..............................203, 213
Warning light ............................................... 424
Warning message.............................210, 217 R
Radar cruise control (dynamic radar cruise
control with full-speed range)... 238, 241
Radiator ........................................................... 382
RCD (Rear camera detection) .............. 256
Warning message..................................... 269
RCD (Rear Camera Detection)
Function ..........................................................268
RCTA
Function .......................................................... 264
Warning message..................................... 265
RCTA (Rear Cross Traffic Alert) ......... 256
RCTA function ............................................. 265
Rear air conditioning system .................. 323
Rear Cross Traffic Alert (RCTA) ......... 264
Rear door sunshades ................................. 346
Rear Multi Operation Panel ...................308
Rear seat position memory ........................ 131
Rear seats .........................................................123
Adjustment...................................................... 123
Head restraints ............................................. 132
Rear seat position memory ..................... 131
Relaxation system........................................ 126
Seat heaters .................................................. 326
Seat ventilators............................................ 326
Rear side marker lights
Light switch ..................................................... 175
Replacing light bulbs............................... 408
Rear sunshades ............................................ 347
Rear turn signal lights
Replacing light bulbs............................... 408
Turn signal lever ...........................................169
Rear view mirror
Inside rear view mirror..............................136 Outside rear view mirrors.......................137
Rear window defogger ...............................314
Refueling
Capacity .........................................................449
Fuel types .......................................................449
If the fuel filler do or cannot be opened
..........................................................................435
Opening the fuel tank cap ..................... 185
Remote Touch .............................................. 304
Replacing
Electronic key battery ............................. 403
Fuses................................................................ 405
Light bulbs .................................................... 408
Tires ................................................................. 396
Resetting the message indicating mainte-
nance is required ...................................... 368
Rev indicator .....................................................74
Rev peak..............................................................74
Road Sign Assist .......................................... 238
RSA (Road Sign Assist) ............................ 238
Run-flat tires....................................... 388, 432
S
Seat belt buckle lights ................................ 330
Seat belt reminder light....................421, 422
Seat belts............................................................ 24
Automatic Locking Retractor................. 26
Child restraint system installation ......... 46
Cleaning and maintaining the seat belt
......................................................................... 365
Easy Access Buckle .................................... 26
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 ......... 421, 422
Seat belt extender......................................... 25
SRS warning light........................................ 419
Seat heaters ................................................... 326
Seat position memory......................... 127, 131

5071-1. What to do if... (Troubleshooting)
LS500_OM_OM50F54U_(U) 507Alphabetical Index
Switches
Activating the Automatic High Beam178
Automatic High Beam system..............178
Brake Hold switch ...................................... 173
Door lock switches ...................................... 98
Driving mode select switch ..................289
Driving position memory switches ..... 127
Dynamic radar cruise control with
full-speed range switch ....................... 242
Electronic roof sunshade switches ..... 144
Emergency flashers switch .................... 410
Engine switch................................................ 160
Garage door opener switches .......... 349
Heated steering wheel switch............. 326
HUD (Head-up display) switch............85
Ignition switch............................................... 160
Instrument panel light control switches71,
75
Intuitive parking assist switch...............258
Light switches ................................................ 175
LKA (Lane-Keeping A ssist) switch.. 233
LTA (Lane-Tracing Assist) switch .... 225
Meter control switches ............................... 77
Moon roof switches ................................... 142
“ODO TRIP” switch ........................... 70, 75
Outside rear view mi rror switches ..... 137
Paddle shift switches ....................... 167, 168
Panoramic moon roof switches ........... 144
Parking brake switch .................................170
PCS OFF switch ..............................203, 213
PKSB (Parking Support Brake) switch
..........................................................................272
Power door lock switch ............................ 98
Power window switches ..........................139
RCD (Rear camera detection) switch
.........................................................................268
RCTA switch................................................ 264
Rear door sunshade switch.................. 346
Rear seat heater ......................................... 324
Rear seat position memory switches.. 131
Rear seat ventilator ................................... 324
Rear sunshades switch ........................... 347 Rear window and outside rear view mir-
ror defoggers switch ............................. 313
Seat heater switches.................................326
Seat ventilator switches ..........................326
Snow mode switch......................................167
“SOS” button............................................... 355
Tilt and telescopic steering control switch
........................................................................... 135
Tire pressure warning reset switch...392
Trunk closer switch .................................... 104
Trunk opener main switch...................... 106
Trunk opener switch ................................. 102
Vehicle-to-vehicle distance switch... 242
VSC OFF switch .......................................295
Window lock switch.................................... 141
Windshield wiper and washer switch180
Windshield wiper de-icer switch.........317
T
Tachometer............................................... 69, 72
Rev indicator ................................................... 74
Rev peak............................................................ 74
Tail lights
Light switch .....................................................175
Replacing light bulbs ............................... 408
Theft deterrent system
Alarm...................................................................60
Engine immobilizer system......................58
Tire inflation pressure
Maintenance data ......................................454
Tire inflation pressure display function
......................................................................... 388
Warning light ............................................... 422
Tire information ............................................ 459
Glossary ......................................................... 462
Size ................................................................... 460
Tire identification number..................... 460
Uniform Tire Quality Grading ............. 461
Tire pressure display ... ...............................388
Tire pressure warning system
Function ......................................................... 388
Initializing........................................................392

508 Alphabetical Index
LS500_OM_OM50F54U_(U) Installing tire pressure warning valves
and transmitters ...................................... 392
Registering ID codes ............................... 394
Warning light ............................................... 422
Tires
Chains ............................................................ 300
Checking .......................................................386
If you have a flat tire .................................. 432
Inflation pressure........................................399
Information ....................................................459
Replacing .......................................................396
Rotating tires ............................................... 388
Run-flat tires .................................... 388, 432
Size.................................................................... 454
Snow tires ...................................................... 299
Tire inflation pressu re display function
........................................................................ 388
Tire pressure warning system ............ 388
Warning light ............................................... 422
Top tether strap............................................... 55
Total load capacity ...................................... 448
Towing
Dinghy towing .............................................. 159
Emergency towing ..................................... 412
Towing eyelet ................................................415
Trailer towing ................................................ 159
TRAC (Traction Control) ........................ 294
Traction Control (TRAC) ........................ 294
Trailer towing ..................................................159
Transmission
Automatic transmission ............................163
Driving mode select switch ..................289
M mode ........................................................... 168
Paddle shift switches ....................... 167, 168
Snow mode .................................................... 167
Trip meters ................................................ 70, 75
Trunk .................................................................. 100
Hands Free Power Trunk Lid .............. 103
Internal trunk release lever .................... 105
Power trunk opener and closer ...........102
Smart access system with push-button
start ................................................................. 103 Trunk closer switch .................................... 104
Trunk easy closer........................................ 104
Trunk features ..............................................339
Trunk grip ....................................................... 104
Trunk lid light................................................. 104
Trunk light ....................................................... 104
Trunk opener main switch...................... 106
Trunk opener switch ................................. 102
Wireless remote control ......................... 103
Trunk lid light .................................................. 104
Trunk light ........................................................ 104
Turn signal lights
Replacing light bulbs ............................... 408
Turn signal lever .......................................... 169
U
USB charging ports.................................... 342
V
Vanity lights.................................................... 345
Vanity mirrors ............................................... 345
Variable Gear Ratio Steering (VGRS)294
VDIM (Vehicle Dynamics Integrated Man-
agement)...................................................... 295
Vehicle data recordings ..................................6
Vehicle Dynamics Integrated Manage-
ment (VDIM).............................................. 295
Vehicle identification number ................ 448
Vehicle Stability Control (VSC) ........... 294
Vehicle sway warning display ................... 80
Ventilators (seat ventilators)................... 326
VGRS (Variable Gear Ratio Steering)294
VSC (Vehicle Stability Control) ........... 294
W
Warning buzzers
ABS ...................................................................420
Airbags............................................................. 419
Approach warning.................................... 247
Brake hold .....................................................425

512
LS500_OM_OM50F54U_(U) GAS STATION INFORMATION
Auxiliary catch lever ( → P.375)
Trunk opener ( → P.102)
Fuel filler door opener ( → P.186)
Fuel filler door ( → P.186)
Hood lock release lever ( → P.375)
Tire inflation pressure ( → P.454)Fuel tank capacity (Ref-
erence) 21.7 gal. (82.0 L, 18.0 Imp. gal.)
Fuel type Unleaded gasoline only P.449
P.457
Cold tire inflation pres-
sure P.454
Engine oil capacity
(Drain and refill ⎯ ref-
erence) P.450
Engine oil type P.450A
B
C
D
E
F