2021 Lexus LC500h ignition

4168-2. Customization
gency flashers) function setting.
●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 off and
then to IGNITION ON mode mode>.

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.366)
 If you lose your electronic keys, the
risk of vehicle theft increases signifi-
cantly. Contact your Lexus dealer
immediately. ( P.366)
 Is the electronic key battery weak or
depleted? ( P.330)
 Is the engine switch
in IGNITION ON mode mode>?
When locking the doors, turn the engine
switch off. ( P.155, 159)
 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.119)
 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.116)
 Did you press the engine switch
while firmly
depressing the brake pedal?
( P.152, 156)
 Is the shift position in P? ( P.162,
169)
 Is the electronic key anywhere
detectable inside the vehicle?
( P.118)
 Is the steering wheel unlocked?
( P.153, 157)
 Is the electronic key battery weak or
depleted?
In this case, the engine can
be started in a temporary way. ( P.368)
 Is the 12-volt battery discharged?
( P.369)
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 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)
It is locked automatically to prevent
theft of the vehicle. ( P.153, 157)
 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.139)
 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.155, 160)
 The seat belt reminder light is flash-
ing
Are the driver and the passengers wearing
the seat belts? ( P.351)
 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.347, 356) 
Did anyone inside the vehicle open
a door during setting the alarm?
The sensor detects it and the alarm sounds.
( P.72)
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.356)
 When a warning light turns on or a
warning message is displayed, refer
to P.347, 356.
 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.362)
The steering wheel cannot be
turned after the engine system> is stopped
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
drivingAn 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

438Alphabetical index
Fuel pump shut off system .................... 346
Hood................................................................ 302
How to start the engine............................152
How to start the hybrid system ........... 156
Identification number ............................... 387
If the engine will not start ....................... 363
If the hybrid system will not start ........ 364
If your vehicle has to be stopped in an
emergency ................................................338
Ignition switch (engine switch) .............152
Ignition switch (power switch) ............. 156
Overheating..................................... 376, 379
Power switch ................................................ 156
Engine coolant..............................................308 Capacity .........................................................390
Checking ...................................................... 308
Preparing and checking before winter.........................................................................250
Engine coolant temperature gauge ....... 82
Engine immobilizer system ........................ 70
Engine oil ........................................................ 305 Capacity ........................................................ 388
Checking ...................................................... 305
Preparing and checking before winter.........................................................................250
Warning light ............................................... 347
Warning message.....................................359
Engine oil maintenance data .................. 307
Engine oil temperature gauge .................. 82
Engine switch (power switch) ........152, 156 Auto power off function ................155, 160
Changing the engine switch (power switch) modes.................................155, 159
If your vehicle has to be stopped in an
emergency ................................................338
Starting the engine (hybrid system)
................................................................ 152, 156
EPS (Electric Power Steering) .............. 243 Function .......................................................... 243
Warning light ...............................................348
EV drive mode............................................... 160
Event data recorder (EDR) ........................... 8 EV indicator ...................................................... 63
F
First-aid kit storage belt ............................ 275
Flat tire ............................................................. 362
Tire pressure warning system .............. 315
Floor mats ...........................................................22
Fluid Automatic transmission ........................... 391
Brake ................................................................392
Hybrid transmission..................................392
Washer ............................................................ 310
Footwell light ................................................... 271
Front passenger occupant classification system .............................................................. 39
Front seats ........................................................125 Adjustment ..................................................... 125
Cleaning ........................................................ 289
Correct driving posture ............................ 23
Driving position memory ......................... 127
Head restraints............................................... 131
Jam protection function ............................ 127
Memory recall function.............................129
Power easy access system ..................... 127
Seat heaters ................................................. 268
Seat position memory ............................... 127
Seat ventilators ........................................... 268
Front side marker light ................................. 181 Light switch ...................................................... 181
Replacing light bulbs ................................336
Front turn signal lights ................................. 175 Replacing light bulbs ................................336
Turn signal lever ...........................................175
Fuel ....................................................................... 191 Capacity ........................................................ 388
Fuel gauge ........................................................ 82
Fuel pump shut off system.....................346
Information ................................................... 395
Refueling............................................................ 191
Type ................................................................. 388
Warning light ................................................ 351
Fuel consumption

Alphabetical index439
Average fuel consumption after refueling............................................................................88
Average fuel economy ..............................88
Current fuel consumption........................88
Fuel filler door .................................................. 191 If the fuel filler door cannot be opened.........................................................................366
Refueling ........................................................... 191
Fuel gauge ......................................................... 82
Fuel pump shut off syst em........................ 346
Fuses ...................................................................331
G
Garage door opener ................................. 279
Gauges ............................................................... 82
Gear positions ................................................. 88
G-force............................................................... 89
Glove box ....................................................... 273
Glove box light ............................................. 273
Grocery bag hooks .................................... 275
H
Headlights ......................................................... 181 Automatic High Beam system............. 184
Light switch ...................................................... 181
Replacing light bulbs................................ 336
Headlights aim .............................................. 335
Head restraints ................................................ 131
Head-up display.............................................. 93
Heated steering wheel .............................. 268
Heaters Air conditioning system..........................260
Heated steering wheel............................268
Outside rear view mirrors ...................... 261
Seat heaters ..................................................268
High-voltage components ......................... 65
Hill-start assist control ............................... 243
Hood ................................................................. 302 Open ............................................................... 302
Pop Up Hood ................................................ 36
Hooks Cargo hooks................................................ 275
Coat hooks ................................................... 278
Grocery bag hooks.................................. 275
Retaining hooks (floor mat) ..................... 22
Horn ....................................................................133
Hybrid battery (traction battery) Location .............................................................65
Specification ................................................ 388
Warning message ........................................68
Hybrid battery (traction battery) air vents ............................................................................. 68
Hybrid system .................................................. 62 Emergency shut off system......................68
Energy monitor/consumption screen.............................................................................98
EV drive mode............................................. 160
High voltage components .......................65
Hybrid System Indicator ........................... 97
Hybrid system precautions......................65
Hybrid vehicle driving tips ....................248
If the hybrid system will not start ........364
Overheating ................................................ 380
Power (ignition) switch ............................ 156
Regenerative braking ................................. 63
Starting the hybrid system ...................... 156
Vehicle proximity noti fication system. 64
Hybrid System Indicator...............................97
Hybrid transmission......................................169 M mode ............................................................174
Paddle shift switches ........................173, 174
Snow mode.....................................................173
I
I/M test ............................................................ 299
IdentificationEngine..............................................................387
Vehicle ........................................................... 386
Ignition switch (engine switch).................152 Auto power off function................ 155, 160
Changing the engine switch modes . 155
If your vehicle has to be stopped in an emergency ................................................ 338

440Alphabetical index
Starting the engine ......................................152
Ignition switch (power switch) .................156 Auto power off function .......................... 160
Changing the power switch modes . 159
If your vehicle has to be stopped in an
emergency ................................................338
Starting the hybrid system...................... 156
Illuminated entry system ............................. 271
Immobilizer system ........................................ 70
Indicators ........................................................... 78
Initialization Items to initialize ........................................... 417
Maintenance ....................................295, 307
Power windows........................................... 138
Tire pressure warning system .............. 318
Inside rear view mirror ................................134
Instrument panel light control ................... 85
Interior lights.................................................... 271
Intuitive parking assist................................ 225 Function .......................................................... 225
Warning message......................................227
J
JackPositioning a floor jack............................ 302
Vehicle-equipped jack ........................... 322
Jack handle .................................................... 322
Jam protection function Front seats ....................................................... 127
Power windows........................................... 138
K
Keyless entrySmart access system with push-button start ....................................................................117
Wireless remote control......................... 108
Keys.................................................................... 106 Battery-saving function ............................. 119
Electronic key ............................................... 106
Engine switch.................................................152
If the electronic key does not operate properly ....................................................... 367
If you lose your keys ................................ 366
Key number plate ....................................... 106
Keyless entry .......................................... 110, 117
Mechanical key ............................................ 106
Power switch................................................. 156
Replacing the battery .............................. 330
Warning buzzer ............................................ 118
Wireless remote control .........................108
Knee airbags .................................................... 28
L
Lane-Keeping Assist (LKA).................... 207 Operation ......................................................207
Warning messages.....................................213
Language (multi-information display) ... 90
LATCH anchors ...............................................51
LDH (Lexus Dynamic Handling system) .......................................................................... 244
Lever Auxiliary catch lever .................................302
Hood lock release lever .........................302
Internal trunk release lever....................... 116
Shift lever ............................................... 162, 169
Turn signal lever ...........................................175
Wiper lever .................................................... 187
Lexus climate concierge . ......................... 258
Lexus Dynamic Handling system (LDH) .......................................................................... 244
Lexus Enform Safety Connect.................. 55
Lexus Safety System +.................................194 Automatic High Beam ............................. 184
Dynamic radar cruise control with full-
speed range ................................................214
LKA (Lane-Keeping Assist) ................. 207
PCS (Pre-Collision System) ............... 200
License plate lights......................................... 181 Light switch ...................................................... 181
Replacing light bulbs ................................336
Light bulbs Replacing .......................................................336
Wattage ..........................................................394

444Alphabetical index
Speedometer ................................................... 82
Sport mode .................................................... 224
Steering lockColumn lock release....................... 153, 157
Steering lock system warning message................................................................ 153, 157
Steering wheel ................................................133 Adjustment......................................................133
Heated steering wheel............................268
Power easy access system ..................... 127
Steering wheel position memory ........ 127
Stop lights Replacing light bulbs................................ 336
Storage feature ............................................ 273
Stuck If the vehicle becomes stuck................ 382
Sunshade......................................................... 278
Sun visors .........................................................277
Switches “SOS” button .................................................. 55
Active rear wing switch .......................... 240
Automatic High Beam system............. 184
Brake Hold switch ...................................... 179
BSM (Blind spot monitor) switch...... 232
Door lock switches .......................................112
Driving mode select switch .................. 224
Driving position memory switches ..... 127
Dynamic radar cruise control with full-speed range switch .................................215
Emergency flashers switch ...................338
Engine switch.................................................152
EV drive mode switch ............................. 160
Garage door opener switches .......... 279
Heated steering wheel switch.............268
HUD (Head-up display) switch............ 93
Ignition switch..................................... 152, 156
Instrument panel light control switch.. 85
Intuitive parking assist switch............... 226
Light switches ................................................. 181
LKA (Lane-Keeping Assist) switch..209
Meter control switches .............................. 87
Outside rear view mi rror switches .....135 Paddle shift switches .. 167, 168, 173, 174
Parking brake switch..................................176
PCS OFF switch ........................................202
Power door lock switch ............................ 112
Power switch................................................. 156
Power window switches ......................... 138
Rear window and outside rear view mir-
ror defoggers switch ........................... 260
Seat heater switches................................ 268
Seat ventilator switches ......................... 268
Snow mode switch........................... 166, 173
Tilt and telescopic steering control switch ........................................................................... 133
Tire pressure warning reset switch.... 318
Trunk opener main switch........................ 117
Trunk opener switch ................................... 115
Vehicle-to-vehicle distance switch.... 215
VSC OFF switch ....................................... 244
Window lock switch.................................. 139
Windshield wiper and washer switch ........................................................................... 187
Windshield wiper de-icer switch....... 264
T
Tachometer....................................................... 82 Variable red zone.........................................84
Tail lights............................................................. 181 Light switch ...................................................... 181
Replacing light bulbs ................................336
Theft deterrent system Alarm................................................................... 72
Engine immobilizer system...................... 70
Theft prevention labels ............................... 73
Tire inflation pressure ................................ 325 Maintenance data ......................................393
Tire inflation pressure display function........................................................................... 315
Warning light ...............................................352
Tire information ............................................ 397 Glossary ........................................................ 400
Size ................................................................... 398
Tire identification number..................... 398