ignition LEXUS LX570 2018 Repair Manual

608 What to do if... (Troubleshooting)
LX570_OM_OM60Q78U_(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. 112)●
If you lose your electronic keys, the risk of vehicle theft increases significantly.
Contact your Lexus dealer immediately. ( → P. 114)●
Is the electronic key battery weak or depleted? ( → P. 503)●
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( → P. 206)●
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. 134)
●
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. 118)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

609What to do if... (Troubleshooting)
LX570_OM_OM60Q78U_(U) ●
Did you press the engine switch while firmly depressing the brake pedal?
( → P. 205)●
Is the shift lever in P? ( → P. 205)●
Is the electronic key anywhere detectable inside the vehicle? ( → P. 133)●
Is the steering wheel unlocked? ( → P. 208)●
Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( → P. 547)●
Is the battery discharged? ( → P. 549)●
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. 215)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

610 What to do if... (Troubleshooting)
LX570_OM_OM60Q78U_(U) ●
It is locked automatically to prevent theft of the vehicle. ( → P. 207)●
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. 165)●
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. 207)●
The seat belt reminder light is flashing
Are the driver and the front passe nger wearing the seat belts?
( → P. 522)●
The parking brake indicator is on
Is the parking brake released? ( → P. 218)
Depending on the situation, other type s of warning buzzer may also sound.
( → P. 520, 528)
●
Did anyone inside the vehicle open a door during setting the alarm?
The sensor detects it and the alarm sounds. ( → P. 77)
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

617Alphabetical index
LX570_OM_OM60Q78U_(U) Engine
Accessory mode............................... 206
Air cleaner ...............................................471
Compartment...................................... 473
Engine switch ...................................... 205
Exhaust gas precautions ................... 74
Hood ........................................................ 472
How to start the engine ................. 205
Identification number ...................... 559
If the engine will not start................544
If your vehicle has to be
stopped in an emergency ............. 511
Ignition switch (engine
switch) ................................................. 205
Overheating ........................................ 552
Engine compartment cover ............. 474
Engine coolant....................................... 478
Capacity .................................................562
Checking................................................478
Preparing and checking
before winter ................................... 382
Engine coolant temperature
gauge ........................................................ 88
Engine immobilizer system ................. 75
Engine oil ................................................. 475
Capacity ................................................ 560
Checking................................................475
Preparing and checking
before winter ................................... 382 Engine switch (ignition switch) ....... 205
Engine switch light
(ignition switch light)......................... 417
Event data recorder (EDR)................... 10
Exhaust gas precautions ....................... 74
First-aid kit holder ................................ 428
Flat tire ...................................................... 532
Floor mats....................................................26
Fluid
Automatic transmission ..................563
Brake........................................................ 564
Steering .................................................. 564
Washer ...................................................485
Fog lights...................................................229
Replacing light bulbs ...................... 508
Switch ...................................................... 229
Footwell lights .......................................... 417
Four-wheel AHC (Active Height
Control Suspension) ....................... 295
Easy access mode ............................ 297
Disabling the height control ......... 298
Selecting vehicle height.................. 295
Four-wheel drive system
Center differential
lock/unlock .......................................304
Four-wheel drive control
switch ...................................................303
Warning light ....................................... 522
Front automatic air conditioning
system .................................................... 399
Front doors ................................................ 115 F
* : Refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.

619Alphabetical index
LX570_OM_OM60Q78U_(U) Hill-start assist control .........................377
Hood ...........................................................472
Hooks
Cargo hooks ........................................ 427
Cargo net hooks ................................ 427
Coat hooks ...........................................443
Retaining hooks (floor mat) ............. 26
Horn ............................................................ 158
I/M test ..................................................... 469
Identification
Engine ..................................................... 559
Vehicle ................................................... 559
Ignition switch (engine switch)........ 205
Ignition switch light
(engine switch light) ........................... 417
Illuminated entry system ......................419
Immobilizer system................................. 75
Indicators .................................................... 82
Initialization
Engine oil maintenance data....... 465
Items to initialize................................. 593
Power window ..................................... 166
Tire pressure warning system .... 488
Inside rear view mirror ........................ 160
Instrument panel light control ............ 89
Interior lights............................................. 417
Switch........................................................ 418
Intuitive parking assist......................... 287 Jack
Vehicle-equipped jack ................... 532
Jack handle ............................................. 532
Jam protection function
Moon roof ...............................................165
Power back door opener
and closer ............................................ 126
Power windows....................................169
Keyless entry
Smart access system with
push-button start .............................. 132
Wireless remote control................... 110
Keys .............................................................. 110
Battery-saving function .................... 134
Electronic key ......................................... 110
Engine switch ......................................205
If the electronic key does not
operate properly ............................546
If you lose your keys.................... 112, 114
Key number plate ................................. 110
Keyless entry ........................................... 110
Keys ............................................................. 110
Mechanical key...................................... 110
Replacing the battery ......................503
Warning buzzer................................... 133
Knee airbags ............................................. 38I J
K
* : Refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.

624 Alphabetical index
LX570_OM_OM60Q78U_(U) Snow tires ................................................ 382
“SOS” button.......................................... 452
Spare tire
Inflation pressure ............................... 565
Storage location .................................532
Spark plug ............................................... 562
Specifications .........................................558
Speedometer ............................................ 88
SRS airbags................................................ 38
Steering
Column lock release ........................207
Fluid.......................................................... 564
Steering wheel ........................................ 158
Adjustment ............................................. 158
Audio switches
* Meter control switches ...................... 93
Power easy access system .............. 151
Telephone switches
*Stop/tail lights
Replacing light bulbs ....................... 508
Storage feature ..................................... 420
Stuck
If the vehicle becomes stuck ....... 555
Sun visors ...................................................431
Sunshade
Roof............................................................ 169
Rear door...............................................443 Switch
Audio remote control switches
* Automatic High Beam switch ..... 225
Center differential lock/unlock
switch ...................................................304
Climate concierge switch .............398
Cruise control switch ........... 269, 281
Door lock switch.................................... 117
Driving mode select switch .......... 284
Driving position memory
switches ................................................ 152
Emergency flashers switch ............ 510
Engine switch ......................................205
Fog light switch ................................... 229
Four-wheel drive control
switch ...................................................303
Garage door opener
switches .............................................. 445
Headlight cleaner switch ............... 238
Interior light switch..............................418
Intuitive parking assist...................... 287
Ignition switch......................................205
LDA (Lane Departure Alert)....... 263
Light switches ........................................ 221
Meter control switches ...................... 93
Moon roof switches .......................... 168
Outside rear view mirror
switches ................................................ 162
Paddle shift switches.......................... 212
Personal light switch ..........................419
Power back door switch.................. 124
Power door lock switch ..................... 117
Power window switch .......................165