2019 LEXUS LX570 immobilizer

TABLE OF CONTENTS
2
LX570_OM_OM60R07U_(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 ................. 49
Safety information for
children .......................................... 55
Child restraint systems ............... 56
Installing child restraints............... 61
Exhaust gas precautions............ 73
1-2. Lexus Enform
LEXUS Enform Safety
Connect..........................................74
1-3. Theft deterrent system
Engine immobilizer system.......80
Alarm ................................................. 82 2. Instrument cluster
Warning lights and
indicators....................................... 86
Gauges and meters ..................... 92
Multi-information display .......... 96
Head-up display .......................... 105
Fuel consumption
information ................................... 1101
For safety and security 2
Instrument cluster

25
LX570_OM_OM60R07U_(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.................. 49
Safety information for
children .......................................... 55
Child restraint systems ............... 56
Installing child restraints...............61
Exhaust gas precautions ............ 73
1-2. Lexus Enform
LEXUS Enform Safety
Connect ......................................... 74
1-3. Theft deterrent system
Engine immobilizer system .......80
Alarm ................................................. 82

80 1-3. Theft deterrent system
LX570_OM_OM60R07U_(U)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.

811-3. Theft deterrent system
LX570_OM_OM60R07U_(U) 1
For safety and security ■
Certifications for the en gine immobilizer system 
For vehicles sold in the U.S.A., Hawaii, 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.

140
LX570_OM_OM60R07U_(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. 549)●
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_OM60R07U_(U) 2134-2. 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. 118 ■
Conditions affe cting operation
 P. 140 ■
Note for the entry function
 P. 141 ■
If the engine does not start ●
The engine immobilizer system ma y not have been deactivated. (  P. 80)
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

547
LX570_OM_OM60R07U_(U) 7
When trouble arises 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. 211)●
There may be a malfunction in th e engine immobilizer system. (  P. 80)
One of the following may be the cause of the problem: ●
The battery may be discharged. (  P. 552)●
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. 548)If the engine will not start even though correct starting procedures are being
followed (  P. 211), 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.

621Alphabetical index
LX570_OM_OM60R07U_(U) Engine
Accessory mode.................................. 212
Air cleaner ............................................. 473
Compartment......................................475
Engine switch .......................................... 211
Exhaust gas precautions ................... 73
Hood ........................................................ 474
How to start the engine ..................... 211
Identification number ...................... 563
If the engine will not start................547
If your vehicle has to be
stopped in an emergency ........... 513
Ignition switch (engine
switch) ..................................................... 211
Overheating ........................................ 555
Engine compartment cover ............. 476
Engine coolant.......................................480
Capacity ................................................ 566
Checking............................................... 480
Preparing and checking
before winter ................................... 388
Engine coolant temperature
gauge ........................................................ 92
Engine immobilizer system ................. 80
Engine oil ..................................................477
Capacity ................................................ 564
Checking................................................ 477
Preparing and checking
before winter ................................... 388 Engine switch (ignition switch) ...........211
Engine switch light
(ignition switch light)........................ 423
Event data recorder (EDR)................... 10
Exhaust gas precautions ....................... 73
First-aid kit holder .................................434
Flat tire ...................................................... 535
Floor mats....................................................26
Fluid
Automatic transmission .................. 567
Brake....................................................... 568
Steering ................................................. 568
Washer ................................................... 487
Fog lights.................................................. 235
Replacing light bulbs ........................ 510
Switch ...................................................... 235
Footwell lights .........................................423
Four-wheel AHC (Active Height
Control Suspension) .........................301
Easy access mode ............................303
Disabling the height control .........304
Selecting vehicle height................... 301
Four-wheel drive system
Center differential
lock/unlock ........................................ 310
Four-wheel drive control
switch ...................................................309
Warning light ....................................... 525
Front automatic air conditioning
system .................................................... 405
Front doors .................................................121 F
* : Refer to
the “NAVIGATION SYSTEM OWNER’S MANUAL”.