immobilizer LEXUS LX570 2018 Owners Manual

TABLE OF CONTENTS
2
LX570_OM_OM60Q78U_(U) For your information................................... 8
Reading this manual................................... 12
How to search ..............................................13
Pictorial index............................................... 14
1-1. For safe use
Before driving ................................ 26
For safe driving .............................. 28
Seat belts .......................................... 30
SRS airbags ..................................... 38
Front passenger occupant
classification system ................. 50
Safety information for
children .......................................... 56
Child restraint systems ............... 57
Installing child restraints............. 62
Exhaust gas precautions.............74
1-2. Theft deterrent system
Engine immobilizer system....... 75
Alarm .................................................. 77
2. Instrument cluster
Warning lights and
indicators....................................... 82
Gauges and meters .....................88
Multi-information display ............91
Head-up display .......................... 100
Fuel consumption
information ................................. 105 3-1. Key information
Keys .................................................... 110
3-2. Opening, closing and
locking the doors
Side doors........................................ 115
Back door ....................................... 122
Smart access system with
push-button start.......................132
3-3. Adjusting the seats
Front seats ..................................... 140
Rear seats ....................................... 142
Driving position memory........... 151
Head restraints ............................ 155
3-4. Adjusting the steering
wheel and mirrors
Steering wheel ............................. 158
Inside rear view mirror ............. 160
Outside rear view mirrors ....... 162
3-5. Opening, closing the
windows and moon roof
Power windows ............................165
Moon roof...................................... 1681
For safety and security
2
Instrument cluster 3
Operation of each
component

25
LX570_OM_OM60Q78U_(U) For safety and security
1 1-1. For safe use
Before driving................................. 26
For safe driving .............................. 28
Seat belts .......................................... 30
SRS airbags .....................................38
Front passenger occupant
classification system..................50
Safety information for
children .......................................... 56
Child restraint systems ............... 57
Installing child restraints............. 62
Exhaust gas precautions ............ 74
1-2. Theft deterrent system
Engine immobilizer system ....... 75
Alarm ..................................................77

751-2. Theft deterrent system
LX570_OM_OM60Q78U_(U) 1
For safety and security
Engine immobilizer system The indicator light flashes after the
engine switch has been turned off to
indicate that the system is operating.
The indicator light stops flashing after
the engine switch has been turned to
ACCESSORY or IGNITION ON
mode to indicate that the system has
been canceled. ■
System maintenance
The vehicle has a maintenance-free type engine immobilizer system. ■
Conditions that may cause the system to malfunction ●
If the key is in contact with a metallic object●
If the key is in close proximity to or touchi ng a key to the security system (key with a
built-in transponder ch ip) of another vehicleThe vehicle’s keys have built-in tran sponder chips that prevent the engine
from starting if a key has not been previously registered in the vehicle’s on-
board computer.
Never leave the keys inside the vehicle when you leave the vehicle.
This system is designed to help prev ent vehicle theft but does not guarantee
absolute security against all vehicle thefts.

76 1-2. Theft deterrent system
LX570_OM_OM60Q78U_(U) ■
Certifications for the en gine immobilizer system 
For vehicles sold in the U.S.A., Hawaii, NATO Germany, Guam and Puerto Rico
For vehicles sold in Canada
WARNING ■
Certifications for the en gine immobilizer system
Changes or modifications not expressly appr oved by the party responsible for compli-
ance could void the user’s authority to operate the equipment.
NOTICE ■
To ensure the system operates correctly
Do not modify or remove the system. If mo dified or removed, the proper operation of
the system cannot be guaranteed.

134
LX570_OM_OM60Q78U_(U) 3-2. Opening, closing and locking the doors■
Battery-saving function
The battery-saving function w ill be activated in order to pr event the electronic key bat-
tery and the battery from being discharged while the vehicle is not in operation for a long
time. ●
In the following situations, the smart acce ss system with push-button start may take
some time to unlock the doors.
• The electronic key has been le ft in an area of approximatel y 6 ft. (2 m) of the outside
of the vehicle for 10 minutes or longer.
• The smart access system with push-button st art has not been used for 5 days or lon-
ger. ●
If the smart access system with push-button start has not been used for 14 days or lon-
ger, the doors cannot be unlocked at any doors except the driver’s door. In this case,
take hold of the driver’s d oor handle, or use the wireless remote control or the mechan-
ical key, to unlock the doors. ■
Electronic Key Battery-Saving Function
When battery-saving mode is set, battery depletion is minimized by stopping the elec-
tronic key from re ceiving radio waves.
The smart access system with push-button st art uses weak radio wa ves. In the following
situations, the communication between the electronic key and the vehicle may be
affected, preventing the smar t access system with push-but ton start, wireless remote
control and engine immobilizer sy stem from operating properly.
(Ways of coping: → P. 546)●
When the electronic key battery is depleted ●
Near a TV tower, electric power plant, gas st ation, radio station, la rge display, airport or
other facility that generates strong radio wave s or electrical noise●
When the electronic key is in contact wi th, or is covered by the following metallic
objects
• Portable radio, cellular phone, cordle ss phone or other wireless communication
device
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs ●
When other wireless keys (that emit radio waves) are being used nearbyPress twice while pressing and holding
. Confirm that the electronic key indica-
tor flashes 4 times.
While the battery-saving mode is set, the smart
access system with push -button start cannot be
used. To cancel the function, press any of the
electronic key buttons.

LX570_OM_OM60Q78U_(U) 2074-2. Driving procedures
4
Driving If the engine is stopped with the shift le ver in a position other than P, the engine
switch will not be turned off but inst ead be turned to ACCESSORY mode. Per-
form the following procedure to turn the switch off:
Check that the parking brake is set.
Shift the shift lever to P.
Check that “Turn Off Vehicle” is disp layed on the multi-information display
and then press the engine switch once.
Check that “Turn Off Vehicle” on th e multi-information display is off.■
Auto power off function
If the vehicle is left in ACCESSORY mode for more than 20 minutes or IGNITION ON
mode (the engine is not running) for more than an hour with the shift lever in P, the engine
switch will automatically turn off. However, this function cannot entirely prevent battery
discharge. Do not leave the vehicle with the engine switch in ACCESSORY or IGNI-
TION ON mode for long periods of ti me when the engine is not running.■
Operation of the engine switch ●
If the switch is not pressed shortly and firmly, the engine switch mode may not change
or the engine may not start. ●
If attempting to restart the engine immediately after turning the engine switch off, the
engine may not start in some cases. After turning the engine off, please wait a few sec-
onds before restarting the engine. ■
Electronic key battery depletion
→ P. 112 ■
Conditions affe cting operation
→ P. 134 ■
Note for the entry function
→ P. 135 ■
If the engine does not start ●
The engine immobilizer system ma y not have been deactivated. ( → P. 75)
Contact your Lexus dealer. ●
Check that the shift lever is se curely set in P. The engine ma y not start if the shift lever is
displaced out of P.
A message will be displayed on the multi-information display.■
Steering lock
After turning the engine switch off and opening and closing the doors, the steering wheel
will be locked due to the steering lock func tion. Operating the engine switch again auto-
matically cancels the steering lock.When stopping the engine with the shift lever in a position other than P1
2
3
4

544
LX570_OM_OM60Q78U_(U) 7-2. Steps to take in an emergency
If the engine will not start One of the following may be the cause of the problem: ●
There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle. ●
The engine may be flooded.
Try to restart the engine again follo wing correct starting procedures.
( → P. 205)●
There may be a malfunction in th e engine immobilizer system. ( → P. 75)
One of the following may be the cause of the problem: ●
The battery may be discharged. ( → P. 549)●
The battery terminal connections may be loose or corroded.
The engine starting system may be malfun ctioning due to an electrical problem
such as an open circuit or a blown fuse. However, an interim measure is available
to start the engine. ( → P. 545)If the engine will not start even though correct starting procedures are being
followed ( → P. 205), consider each of the following points:
The engine will not start even when the starter motor operates nor-
mally.
The starter motor turns over slowly , the interior lights and headlights
are dim, or the horn does not sound or sounds at a low volume.
The starter motor does not turn over.

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”.

625Alphabetical index
LX570_OM_OM60Q78U_(U) Rear window wiper and
washer switch...................................235
Rear window and outside
rear view mirror defoggers
switch................................................... 405
Seat heater switches.......................... 415
Seat ventilator switches ................... 415
“SOS” button........................................452
Talk switch
* Telephone switches
*Tilt and telescopic steering
control switch .................................... 158
Tire pressure warning reset
switch................................................... 488
Vehicle-to-vehicle distance
button ................................................... 275
VSC OFF switch ...............................378
Window lock switch.......................... 165
Windshield wipers and
washer switch.....................................231
Wireless charger power
supply switch ....................................435
Tachometer ............................................... 88
Tail lights..................................................... 221
Light switch ............................................. 221
Replacing light bulbs ....................... 508
Talk switch
* Telephone switch
*Theft deterrent system
Alarm........................................................... 77
Immobilizer system .............................. 75 Tire inflation pressure......................... 565
Maintenance data..............................565
Warning light ....................................... 522
Tire information .................................... 569
Glossary................................................. 575
Size ............................................................. 571
Tire identification number ............. 570
Uniform Tire Quality Grading.... 573
Tire pressure warning system ..........487
Function .................................................. 487
Initializing ............................................... 487
Installing tire pressure warning
valves and transmitters................ 487
Registering ID codes ...................... 488
Tire pressure warning reset
switch .................................................. 488
Warning light ....................................... 522
Tires ........................................................... 486
Chains .....................................................383
Checking ...............................................486
If you have a flat tire .......................... 532
Inflation pressure................................ 495
Replacing ............................................... 532
Rotating tires ........................................486
Size ...........................................................565
Snow tires .............................................. 382
Spare tire................................... 532, 565
Tire pressure warning system ..... 487
Warning light ....................................... 522
Tools .......................................................... 532
Total load capacity............................... 558T
* : Refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.