2018 Lexus LC500h check engine

419What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)419What to do if... (Troubleshooting)
 It is locked automatically to prevent
theft of the vehicle. ( P.141, 144)
 Is the window lock switch pressed?
The power window at the passenger’s seat
cannot be operated if the window lock
switch is pressed. ( P.126)
 The auto power off function will be
operated if the vehicle is left in
ACCESSORY or IGNITION ON
mode (the engine is
not running operating>) for a period of time.
( P.143, 146)
 The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.339)
 The parking brake indicator is on
Is the parking brake released? ( P.162)
Depending on the situation, other
types of warning buzzer may also
sound. ( P.334, 344)
 Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds.
(
 P.64)
To stop the alarm, turn the engine
switch to IGNITION
ON mode , or start the
engine .
 Is the electronic key left inside the
vehicle?
Check the message on the multi-informa-
tion display. ( P.344)
 When a warning light turns on or a
warning message is displayed, refer
to P.334, 344.
 Slow down the vehicle, drive with
extra caution, and take your vehicle
to the nearest Lexus dealer or
authorized tire dealer as soon as
possible to have the tire replaced.
( P.350)
 Try the procedure for when the vehi-
cle becomes stuck in mud, dirt, or
snow. ( P.370)
The windows do not open or
close by operating the power
window switches
The engine switch switch> is turned off automati-
cally
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
The vehicle becomes stuck

423What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)Alphabetical index423
Ignition switch (engine switch) ............ 140
Ignition switch (power switch) ..............143
Overheating.....................................364, 366
Power switch ................................................. 143
Engine coolant.............................................. 295 Capacity ......................................................... 376
Checking ....................................................... 295
Preparing and checking before winter......................................................................... 233
Engine coolant temperature gauge ........74
Engine immobilizer system ........................ 62
Engine oil ........................................................ 293 Capacity ......................................................... 374
Checking ....................................................... 293
Preparing and checking before winter......................................................................... 233
Warning light ............................................... 334
Warning message..................................... 347
Engine oil maintenance data .................. 294
Engine oil temperature gauge ...................74
Engine switch (power switch) ....... 140, 143 Auto power off function ................ 143, 146
Changing the engine switch (power switch) modes..................................142, 146
If your vehicle has to be stopped in an
emergency ................................................ 326
Starting the engine (hybrid system) 140,
143
EPS (Electric Power Steering) ...............227 Function ...........................................................227
Warning light ...............................................335
EV drive mode................................................ 147
Event data recorder (EDR) ............................7
EV indicator ...................................................... 55
F
First-aid kit storage belt ............................ 256
Flat tire ............................................................. 350 Tire pressure warning system .............303
Floor mats ...........................................................22
Fluid Automatic transmission ...........................377 Brake ................................................................378
Hybrid transmission..................................378
Washer ........................................................... 297
Footwell light ................................................. 252
Front passenger occupant classification system .............................................................. 38
Front seats ......................................................... 114 Adjustment ....................................................... 114
Cleaning ......................................................... 277
Correct driving posture ............................ 23
Driving position memory .......................... 116
Head restraints............................................... 119
Jam protection function ............................. 115
Memory recall function.............................. 117
Seat heaters .................................................. 249
Seat position memory ................................ 116
Seat ventilators ............................................ 249
Front side marker light ................................ 167 Light switch .....................................................167
Replacing light bulbs ................................ 324
Front turn signal lights .................................. 161 Replacing light bulbs ................................ 324
Turn signal lever ............................................ 161
Fuel ...................................................................... 176 Capacity ......................................................... 373
Fuel gauge ........................................................ 74
Fuel pump shut off system.....................333
Information ..................................................... 381
Refueling...........................................................176
Type .................................................................. 373
Warning light .............................................. 338
Fuel consumption Average fuel consumpt ion after refueling
............................................................................. 79
Average fuel economy .............................. 79
Current fuel consumption ........................ 79
Fuel filler door ................................................. 176 If the fuel filler do or cannot be opened
..........................................................................354
Refueling...........................................................176
Fuel gauge ..........................................................74
Fuel pump shut off system........................ 333

427What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)Alphabetical index427
Indicator .........................................................338
Operation........................................................ 162
Parking brake engaged warning buzzer ...........................................................................164
Warning message.......................................164
Parking lights ................................................... 167 Light switch ..................................................... 167
Replacing light bulbs................................ 324
PCS (Pre-Collision System) .................... 184 Function ........................................................... 184
PCS OFF switch ......................................... 186
Warning light ............................................... 336
Warning message...................................... 190
Personal lights............................................... 252
Pop-up display ..................................................76
Pop Up Hood................................................... 36
Power control unit...........................................57
Power control unit coolant ...................... 295 Capacity ......................................................... 376
Checking ....................................................... 295
Preparing and checking before winter......................................................................... 233
Power outlet .................................................. 258
Power steering (Elect ric power steering
system)...........................................................227 Warning light ...............................................335
Warning message..................................... 345
Power switch (engine switch) ....... 140, 143 Auto power off function ................ 143, 146
Changing the power switch (engine switch) modes..................................142, 146
If your vehicle has to be stopped in an
emergency ................................................ 326
Starting the hybrid system (engine) 140, 143
Power windows ..............................................125 Door lock linked window operation.. 126
Jam protection function............................ 126
Operation........................................................125
Window lock switch .................................. 126
Pre-Collision System (PCS) .................... 184 Function ........................................................... 184 PCS OFF switch ......................................... 186
Warning light ...............................................336
Warning message ...................................... 190
R
Radar cruise control (dynamic radar cruise
control with full-speed range).............. 198
Radiator ........................................................... 296
Rear side marker lights ............................... 167 Light switch .....................................................167
Replacing light bulbs ................................ 324
Rear turn signal lights ................................... 161 Replacing light bulbs ................................ 324
Turn signal lever ............................................ 161
Rear view mirror Inside rear view mirror .............................. 122
Outside rear view mirrors.......................123
Rear window defogger ............................. 243
Refueling ........................................................... 176 Capacity ......................................................... 373
Fuel types ....................................................... 373
If the fuel filler do or cannot be opened
..........................................................................354
Opening the fuel tank cap ......................176
Regenerative braking ................................... 55
Remote Touch .............................................. 236
Replacing Electronic key battery ............................... 318
Fuses.................................................................. 319
Light bulbs ..................................................... 324
Tires ................................................................. 309
Resetting the message indicating mainte- nance is required ...................................... 282
Rev indicator .................................................... 75
Rev peak..............................................................76
Run-flat tires....................................... 303, 350
S
Seat belt reminder light............................. 339
Seat belts............................................................ 24 Automatic Locking Retractor................. 26

429What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)Alphabetical index429
Stop lights Replacing light bulbs................................ 324
Storage feature ............................................ 254
Stuck If the vehicle becomes stuck................ 370
Sunshade......................................................... 259
Sun visors ........................................................ 258
Switches “SOS” button ............................................... 266
Active rear wing switch .......................... 224
Automatic High Beam system..............170
Brake Hold switch ..................................... 165
BSM (Blind spot monitor) switch........ 216
Door lock switches ...................................... 101
Driving mode select switch ..................208
Driving position memory switches ...... 116
Dynamic radar cruise control with full-speed range switch .................................199
Emergency flashers switch ................... 326
Engine switch................................................ 140
EV drive mode switch .............................. 147
Garage door opener switches ..........260
Heated steering wheel switch............. 249
HUD (Head-up display) switch............ 84
Ignition switch..................................... 140, 143
Instrument panel light control switch... 77
Intuitive parking assist switch.................210
Light switches ................................................ 167
LKA (Lane-Keeping Assist) switch...193
Meter control switches .............................. 79
Outside rear view mirror switches ..... 123
Paddle shift switches . 153, 154, 159, 160
Parking brake switch ................................. 162
PCS OFF switch ......................................... 186
Power door lock switch ............................ 101
Power switch ................................................. 143
Power window switches ..........................125
Rear window and outside rear view mir- ror defoggers switch ............................ 242
Seat heater switches ................................ 249
Seat ventilator switches .......................... 249
Snow mode switch .......................... 153, 159 Tilt and telescopic steering control switch
............................................................................. 121
Tire pressure warning reset switch.. 306
Trunk opener main switch...................... 106
Trunk opener switch ................................. 104
Vehicle-to-vehicle distance switch.... 199
VSC OFF switch .......................................228
Window lock switch...................................126
Windshield wiper and washer switch172
Windshield wiper de-icer switch....... 246
T
Tachometer........................................................74 Variable red zone......................................... 76
Tail lights............................................................ 167 Light switch .....................................................167
Replacing light bulbs ................................ 324
Theft deterrent system Alarm................................................................... 64
Engine immobilizer system...................... 62
Theft prevention labels ...............................65
Tire inflation pressure ..................................313 Maintenance data ...................................... 379
Tire inflation pressure display function......................................................................... 303
Warning light .............................................. 340
Tire information ............................................ 383 Glossary ........................................................ 386
Size ................................................................... 384
Tire identification number..................... 384
Uniform Tire Quality Grading ........... 385
Tire pressure warning system ................ 303 Function ......................................................... 303
Initializing....................................................... 306
Installing tire pres sure warning valves
and transmitters...................................... 305
Registering ID codes ...............................307
Warning light .............................................. 340
Tires.................................................................... 301 Chains ............................................................. 234
Checking ........................................................ 301
If you have a flat tire ................................. 350

431What to do if... (Troubleshooting)
LC500_LC500h_OM_OM11405U_(U)Alphabetical index431
Pre-collision braking................................. 184
Seat belt reminder..................................... 339
Warning label ...................................................57
Warning lights............................................... 334 ABS ..................................................................335
Brake hold operated indicator ........... 337
Brake Override System ......................... 337
Brake pad wear..........................................338
Brake system ...................................334, 338
Charging system ....................................... 334
Electric power steering ..........................335
High coolant temperature ....................340
LKA (Lane-Keeping Assist)................. 336
Low engine oil pressure......................... 334
Low fuel level ...............................................338
Malfunction indicator lamp...................335
Master warning light ................................ 339
Parking brake indicator ..........................338
Pre-collision system ................................. 336
Seat belt reminder light .......................... 339
Slip indicator ................................................ 337
SRS....................................................................335
Tire pressure ................................................340
Warning messages ..................................... 344
Warning reflector storag e belt.............. 256
Washer .............................................................. 172 Checking ....................................................... 297
Preparing and checking before winter......................................................................... 233
Switch ................................................................ 172
Washing and waxing...................................274
Weight Cargo capacity............................................ 138
Load limits ...................................................... 138
Weight ............................................................ 372
Wheels ...............................................................315 Replacing wheels.......................................309
Size.................................................................... 379
Window lock switch ..................................... 126
Windows ...........................................................125 Power windows............................................125
Rear window defogger .......................... 243 Washer ............................................................. 172
Windshield wiper de-icer ........................ 246
Windshield wipers ........................................ 172 Position..............................................................174
Rain-sensing windshield wipers ........... 172
Winter driving tips....................................... 233
Wireless remote control ..............................97 Battery-Saving Function..........................108
Locking/Unlocking ..................................... 97
Replacing the battery ................................ 318
For information regarding the equipment listed below, refer to
the “NAVIGATION SYSTEM
OWNER’S MANUAL”.
· Audio/video system
· Navigation system
· Lexus parking assist monitor
· Lexus Enform