2021 Lexus LC500 key

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

436Alphabetical index
Instrument panel light control ................85
BSM (Blind Spot Monitor).........................231 Blind Spot Monitor function................. 235
Rear Cross Traffic Alert function....... 237
C
Care ...................................................... 286, 289Aluminum wheels ...................................... 287
Exterior ...........................................................286
Interior .............................................................289
Seat belts........................................................289
Cargo capacity.............................................. 150
Cargo hooks ................................................. 275
Center Display ............................................. 254
Chains ................................................................251
Child restraint system................................... 44 Fixed with a LATCH system .................... 51
Fixed with a seat belt................................... 48
Front passenger occupant classification system ............................................................. 39
Points to remember .................................... 44
Riding with children ..................................... 44
Types of child restraint system installation method ........................................................... 45
Using an anchor bracket .......................... 53
Child safety ....................................................... 44 12-volt battery precautions ......... 312, 375
Airbag precautions...................................... 33
Child restraint system................................. 45
Heated steering wheel and seat heater precautions................................................268
How your child should wear the seat belt ............................................................................ 25
Power window lock switch.....................139
Power window precautions ...................139
Removed electronic key battery precau- tions .................................................................331
Seat belt extender precautions ............. 25
Seat belt precautions .................................. 44
Trunk precautions .........................................114
Cleaning.............................................. 286, 289 Aluminum wheels ...................................... 287 Exterior........................................................... 286
Interior ............................................................ 289
Radar sensor ..................................... 194, 233
Seat belts ....................................................... 289
Clock ........................................................ 82, 277
Coat hooks..................................................... 278
Condenser ..................................................... 309
Console box ...................................................274
Console box light .........................................274
Cooling system.............................................308 Engine overheating....................... 376, 379
Hybrid system overheating ................. 380
Cornering lights ............................................ 183
Cruise control Dynamic radar cruise control with full-
speed range ................................................214
Cup holder ......................................................274
Current fuel consumption .......................... 88
Curtain shield airbags .................................. 28
Customizable features .............................. 405
D
Daytime running light system .................... 181
Defogger Outside rear view mirrors.......................261
Rear window ..................................................261
Windshield ......................................................261
Differential ...................................................... 392
Dimension ...................................................... 386
Dinghy towing.................................................. 151
Display BSM (Blind Spot Monitor)......................231
Drive information ......................................... 88
Dynamic radar cruise control with full-
speed range ................................................214
Energy monitor ..............................................98
Head-up display............................................ 93
Intuitive parking assist .............................. 225
LKA (Lane-Keeping Assist) .................. 210
Multi-information display ..........................86
Warning message .................................... 356
Distance ............................................................. 88

Alphabetical index437
Do-it-yourself maintenance .................... 296
Door courtesy lights ..................................... 271
Door lockDoors.................................................................. 110
Smart access system with push-button start ....................................................................117
Wireless remote control......................... 108
Door pockets ................................................ 273
Doors ................................................................... 110 Automatic door lock ing and unlocking
system ............................................................. 113
Door glasses ................................................. 138
Door lock.......................................................... 110
Open door warning buzz er .............111, 113
Outside rear view mirrors ......................135
Drive info 1/Drive info 2 .............................. 88
Drive information ........................................... 88
Driver’s seat position memory ................. 127 Driving position memory......................... 127
Memory recall function ............................ 129
Power easy access system ..................... 127
Drive-start control ........................................143
Driving................................................................ 142 Break-in tips ................................................... 143
Correct driving posture .............................23
Driving mode select switch .................. 224
Hybrid vehicle driving tips .................... 248
Procedures ..................................................... 142
Winter drive tips.........................................250
Driving mode select switch ..................... 224
Driving position memory Power easy access system ..................... 127
DRS (Dynamic Rear Steering) .............. 243
Dynamic radar cruise control with full- speed range.................................................. 214Warning message......................................222
Dynamic Rear Steering (DRS) .............. 243
E
ECB (Electronically Controlled Brake Sys- tem) ................................................................ 243
Eco drive mode ............................................ 224 Eco Driving Indicator.................................... 80
Eco Driving Indicator Light ........................ 80
EDR (Event data recorder) ........................... 8
Elapsed time ..................................................... 88
Electric motor (traction motor) ................ 62
Electric Power Steering (EPS)
Function .......................................................... 243
Warning light .............................................. 348
Electronically Controlled Brake System (ECB) ............................................................ 243
Electronic key ................................................ 106 Battery-saving function.............................. 119
If the electronic key does not operate properly ....................................................... 367
Replacing the battery .............................. 330
Emergency, in case of If a warning buzzer sounds................... 347
If a warning light turns on....................... 347
If a warning message is displayed .... 356
If the 12-volt battery is discharged ... 369
If the electronic key does not operate properly ....................................................... 367
If the engine will not start........................363
If the fuel filler do or cannot be opened
......................................................................... 366
If the hybrid system will not start ........364
If the vehicle is trapped in rising water ..........................................................................339
If you have a flat tire ..................................362
If you lose your keys ................................ 366
If you think something is wrong..........345
If your vehicle becomes stuck .............382
If your vehicle has to be stopped in an emergency ................................................ 338
If your vehicle needs to be towed .......341
If your vehicle overheats ............376, 379
Emergency flashers .................................... 338
Energy monitor ............................................... 98
Engine ACCESSORY mode.................... 155, 159
Compartment............................................. 304
Engine switch ................................................ 152

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

442Alphabetical index
...........................................................................136
Mirror position memory........................... 127
Outside rear view mirror defoggers . 261
Outside temperature.................................... 82
Overheating ....................................... 376, 379
P
Paddle shift switches ...... 167, 168, 173, 174
Panic mode ..................................................... 108
Parking assist sensors (intuitive parking assist) ............................................................. 225
Parking brake.................................................. 176 Indicator ........................................................ 350
Operation........................................................ 176
Parking brake engaged warning buzzer...........................................................................178
Warning message.......................................178
Parking lights .................................................... 181 Light switch ...................................................... 181
Replacing light bulbs................................ 336
PCS (Pre-Collision System) ...................200 Function ..........................................................200
PCS OFF switch ........................................ 202
Warning light ............................................... 349
Personal lights................................................. 271
Pop-up display ................................................. 84
Pop Up Hood................................................... 36
Power control unit.......................................... 65
Power control unit coolant ......................308 Capacity .........................................................390
Checking ...................................................... 308
Preparing and checking before winter.........................................................................250
Power easy access system ........................ 127
Power outlet ...................................................277
Power steering (Elect ric power steering
system).......................................................... 243 Warning light ...............................................348
Warning message..................................... 357
Power switch (engine switch) ........152, 156 Auto power off function ................155, 160
Changing the power switch (engine switch) modes ................................ 155, 159
If your vehicle has to be stopped in an emergency ................................................ 338
Starting the hybrid system (engine) ................................................................. 152, 156
Power windows ............................................. 138 Door lock linked window operation . 139
Jam protection function ........................... 139
Operation ....................................................... 138
Window lock switch.................................. 139
Pre-Collision System (PCS) ...................200 Function ......................................................... 200
PCS OFF switch ........................................202
Warning light ...............................................349
R
Radar cruise control (dynamic radar cruise control with full-speed range)............... 214
Radiator ........................................................... 309
Rear side marker lights ................................ 181 Light switch ...................................................... 181
Replacing light bulbs ................................336
Rear turn signal lights .................................. 175 Replacing light bulbs ................................336
Turn signal lever ...........................................175
Rear view mirror Inside rear view mirror ..............................134
Outside rear view mirrors...................... 135
Rear window defogger ...............................261
Refueling ............................................................ 191 Capacity ........................................................ 388
Fuel types ...................................................... 388
If the fuel filler do or cannot be opened
......................................................................... 366
Opening the fuel tank cap ....................... 191
Regenerative braking ................................... 63
Remote Touch .............................................. 254
Replacing Electronic key battery ............................. 330
Fuses.................................................................. 331
Light bulbs .....................................................336
Tires ....................................................................321