ignition LEXUS LX570 2021 Repair Manual

613What to do if... (Troubleshooting)
LX570_OM_OM60T33U_(U)
What to do if... (Troubleshooting)
●If you lose your mechanical keys, ne w genuine mechanical keys can be made
by your Lexus dealer. ( P. 118)
●If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( P. 120)
●Is the electronic key battery weak or depleted? ( P. 507)
●Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. (P. 212)
●Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on your
person.
●The function may not operate properly du e to the condition of the radio wave.
( P. 140)
●Is the child-protector lock set?
The rear door cannot be opened from in side the vehicle when the lock is set.
Open the rear door from outside and then unlock the child-protector lock.
( P. 124)
If you have a problem, check the foll owing 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 rear door cannot be opened

614What to do if... (Troubleshooting)
LX570_OM_OM60T33U_(U)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 211)
●Is the shift lever in P? ( P. 211)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 139)
●Is the steering wheel unlocked? ( P. 214)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. (P. 551)
●Is the battery discharged? ( P. 553)
●Is the engine switch in IGNITION ON mode?
If you cannot release the shift lever by depressing the brake pedal with the
engine switch in IGNITION ON mode ( P. 222)
If you think something is wrong
The engine does not start
The shift lever cannot be shifted from P even if you depress the brake
pedal

615What to do if... (Troubleshooting)
LX570_OM_OM60T33U_(U)
●It is locked automatically to prevent theft of the vehicle. ( P. 213)
●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. 171)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not running) for a period of
time. ( P. 213)
●The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts? (P. 526)
●The parking brake indicator is on
Is the parking brake released? ( P. 225)
Depending on the situation, other types of warning buzzer may also sound.
( P. 524, 532)
●Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( P. 82)
To stop the alarm, turn the engine switch to IGNITION ON mode or start the
engine. 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

622Alphabetical index
LX570_OM_OM60T33U_(U)
EngineAccessory mode.................................. 212
Air cleaner .............................................475
Compartment...................................... 477
Engine switch .......................................... 211
Exhaust gas precautions ...................55
Hood ........................................................ 476
How to start the engine ..................... 211
Identification number ...................... 563
If the engine will not start............... 548
If your vehicle has to be stopped in an emergency ........... 515
Ignition switch (engine switch) ..................................................... 211
Overheating ........................................ 556
Engine compartment cover ............. 478
Engine coolant....................................... 482 Capacity ................................................ 566
Checking................................................482
Preparing and checking before winter ................................... 390
Engine coolant temperature gauge ........................................................ 92
Engine immobilizer system ................. 80
Engine oil ................................................. 479 Capacity ................................................ 564
Checking................................................ 479
Preparing and checking before winter ................................... 390 Engine switch (ignition switch) ...........211
Engine switch light
(ignition switch light)........................ 425
Event data recorder (EDR)................... 10
Exhaust gas precautions ...................... 55
First-aid kit holder ................................ 436
Flat tire ...................................................... 536
Floor mats....................................................26
Fluid Automatic transmission .................. 567
Brake....................................................... 568
Steering ................................................. 568
Washer ...................................................489
Fog lights...................................................236 Replacing light bulbs ......................... 512
Switch ...................................................... 236
Footwell lights .........................................425
Four-wheel AHC (Active Height Control Suspension) ....................... 302 Easy access mode ............................304
Disabling the height control .........305
Selecting vehicle height.................. 302
Four-wheel drive system Center differential lock/unlock ...........................................311
Four-wheel drive control switch .................................................... 310
Warning light ....................................... 526
Front automatic air conditioning system .....................................................407
Front doors .................................................121
F
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

624Alphabetical index
LX570_OM_OM60T33U_(U)
Hill-start assist control ........................385
Hood .......................................................... 476
HooksCargo hooks ........................................435
Cargo net hooks ................................435
Coat hooks ...........................................452
Retaining hooks (floor mat) ............. 26
Horn .............................................................164
I/M test ..................................................... 473
Identification Engine ..................................................... 563
Vehicle ................................................... 563
Ignition switch (engine switch)........... 211
Ignition switch light (engine switch light) ......................... 425
Illuminated entry system .....................427
Immobilizer system................................. 80
Indicators .................................................... 86
Initialization Engine oil maintenance data....... 469
Items to initialize................................. 598
Power window ...................................... 172
Tire pressure warning system .....492
Inside rear view mirror .........................166
Instrument panel light control ............ 94
Interior lights........................................... 425 Switch.......................................................426
Intuitive parking assist......................... 294 Jack
Vehicle-equipped jack ...................536
Jack handle ............................................. 536
Jam protection function Moon roof ................................................. 171
Power back door opener and closer ............................................ 132
Power windows.................................... 175
Keyless entry Smart access system with push-button start ............................. 138
Wireless remote control................... 116
Keys .............................................................. 116 Battery-saving function ....................140
Electronic key ......................................... 116
Engine switch ..........................................211
If the electronic key does not operate properly ........................... 550
If you lose your keys..................118, 120
Key number plate ................................. 116
Keyless entry ........................................... 116
Keys ............................................................. 116
Mechanical key...................................... 116
Replacing the battery ...................... 507
Warning buzzer...................................139
Knee airbags ............................................. 38
I
J
K
*: Refer to the “NAVIGATION SYSTEM OWNER’S MANUAL”.

629Alphabetical index
LX570_OM_OM60T33U_(U)
Snow tires ................................................ 390
“SOS” button..............................................74
Spare tireInflation pressure ............................... 569
Storage location ................................ 536
Spark plug ............................................... 566
Specifications ......................................... 562
Speedometer ............................................ 92
SRS airbags................................................ 38
Steering Column lock release ..........................213
Fluid.......................................................... 568
Steering wheel .........................................164 Adjustment ............................................. 164
Audio switches
*
Meter control switches ......................98
Power easy access system ............ 157
Telephone switches
*
Stop/tail lightsReplacing light bulbs ......................... 512
Storage feature ..................................... 428
Stuck If the vehicle becomes stuck ....... 559
Sun visors ................................................. 439
Sunshade Roof............................................................ 175
Rear door...............................................452 Switch
Audio remote control switches
*
Automatic High Beam switch ..... 232
Center differential lock/unlock switch .......................................................311
Climate concierge switch .............406
Cruise control switch ..........276, 288
Door lock switch.................................. 123
Driving mode select switch ............ 291
Driving position memory switches ............................................... 158
Emergency flashers switch .............514
Engine switch ..........................................211
Fog light switch ................................... 236
Four-wheel drive control switch .................................................... 310
Garage door opener switches .............................................. 454
Headlight cleaner switch ............... 245
Interior light switch............................ 426
Intuitive parking assist...................... 294
Ignition switch..........................................211
LDA (Lane Departure Alert)....... 270
Light switches ...................................... 228
Meter control switches ...................... 98
Moon roof switches ........................... 174
Outside rear view mirror switches ............................................... 168
Paddle shift switches.......................... 219
Personal light switch .........................427
Power back door switch................. 130
Power door lock switch ................... 123
Power window switch ......................... 171