2015 Lexus GX460 immobilizer

TABLE OF CONTENTS2
GX460_OM_OM60L72U_(U)
For your information ................................... 8
Reading this manual................................... 12
How to search ..............................................13
Pictorial index ............................................... 14
1-1. For safe useBefore driving..................................24
For safety drive............................... 26
Seat belts .......................................... 28
SRS airbags ..................................... 34
Front passenger occupant classification system.................. 46
Safety information for children .......................................... 52
Child restraint systems ............... 53
Installing child restraints..............57
Exhaust gas precautions .............67
1-2. Theft deterrent system Engine immobilizer system....... 68
Alarm ................................................. 70
2. Instrument cluster Warning and indicators lights ................................................. 74
Gauges and meters ......................79
Multi-information display .......... 82
Fuel consumption information ...................................88 3-1. Key information
Keys .................................................... 90
3-2. Opening, closing and locking the doors
Side doors ........................................ 94
Back door ........................................ 101
Glass hatch.................................... 106
Smart access system with push-button start .........................111
3-3. Adjusting the seats Front seats........................................ 118
Rear seats........................................120
Driving position memory........... 131
Head restraints .............................136
3-4. Adjusting the steering wheel and mirrors
Steering wheel ..............................139
Inside rear view mirror ............... 141
Outside rear view mirrors........143
3-5. Opening, closing the windows and moon roof
Power windows.............................146
Moon roof ....................................... 149
1For safety and security
2Instrument cluster
3Operation of each
component

23
GX460_OM_OM60L72U_(U)
For safety and security1
1-1. For safe useBefore driving................................. 24
For safety drive............................... 26
Seat belts .......................................... 28
SRS airbags ..................................... 34
Front passenger occupant classification system.................. 46
Safety information for children .......................................... 52
Child restraint systems ............... 53
Installing child restraints ............. 57
Exhaust gas precautions .............67
1-2. Theft deterrent system Engine immobilizer system ....... 68
Alarm ................................................. 70

681-2. Theft deterrent system
GX460_OM_OM60L72U_(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 grip portion of the key is in contact with a metallic object
●If the key is in close proximity to or touching a key to the security system (key with a
built-in transponder chip) of another vehicle
■Certifications for the en gine immobilizer system
For vehicles sold in the U.S.A., Ha waii, Guam, Saipan and Puerto Rico
For vehicles sold in Canada
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if a key has not been prev iously 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 prevent vehicle theft but does not guarantee
absolute security against all vehicle thefts.

GX460_OM_OM60L72U_(U)
1133-2. Opening, closing and locking the doors
3
Operation of each component
■Battery-saving function
The battery-saving function will be activated in order to prevent the electronic key bat-
tery and the vehicle battery from being discharged while the vehicle is not in operation
for a long time.
●In the following situations, the smart access system with push-button start may take
some time to unlock the doors.
• The electronic key has been left in an area of approximately 6 ft. (2 m) of the outside
of the vehicle for 10 minutes or longer.
• The smart access system with push-butto n start has not been used for 5 days or
longer.
●If the smart access system with push-butto n start has not been used for 14 days or
longer, the doors cannot be unlocked at any doors except the driver’s door. In this case,
take hold of the driver’s door handle, or us e the wireless remote control or the mechan-
ical key, to unlock the doors.
■Conditions affe cting operation
The smart access system with push-button start uses weak radio waves. In the following
situations, the communication between th e electronic key and the vehicle may be
affected, preventing the smart access system with push-button start, wireless remote
control and engine immobilizer system from operating properly.
(Ways of coping: P. 5 4 9 )
●When the electronic key battery is depleted
●Near a TV tower, electric powe r plant, gas station, radio station, large display, airport or
other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular ph one, cordless phone or other wireless com-
munication device
●When the electronic key is in contact wi th, or is covered by the following metallic
objects
• 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 nearby
●When carrying the electronic key together with the following devices that emit radio
waves
• Another vehicle’s electronic key or a wireless key that emits radio waves
• Personal computers or personal digital assistants (PDAs)
• Digital audio players
• Portable game systems
●If window tint with a metallic content or me tallic objects are attached to the rear win-
dow

GX460_OM_OM60L72U_(U)
1874-2. Driving procedures
4
Driving
If the engine is stopped with the shift lever 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 the indicator on the engine switch is illuminated in amber and then
press the engine switch once.
Check that the indicator on the engine switch is off.
■Auto power off function
When the shift lever is in P, if the vehicle is left in ACCESSORY or IGNITION ON mode
with the engine not running for more than 20 minutes (ACCESSORY mode) or one
hour (IGNITION ON mode), 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 IGNITION ON mode for long periods of time when
the engine is not running.
■Operation of the engine switch
When operating the engine switch, one short, firm press is enough. If the switch is
pressed improperly, the engine may not start or the engine switch mode may not change.
It is not necessary to press and hold the switch.
■Electronic key battery depletion
 P. 9 2
■Conditions affe cting operation
 P. 113
■Note for the entry function
P. 114
■If the engine does not start
The engine immobilizer system may not have been deactivated. ( P. 6 8 )
Contact your Lexus dealer.
■Steering lock
After turning the engine switch off and opening and closing the doors, the steering wheel
will be locked due to the stee ring lock function. Operating the engine switch again auto-
matically cancels the steering lock.
When stopping the engine with the shift lever in a position other than P
1
2
3
4

546
GX460_OM_OM60L72U_(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 following correct starting procedures.
(
P. 1 8 5 )
●There may be a malfunction in the engine immobilizer system. ( P. 6 8 )
One of the following may be the cause of the problem:
●The battery may be discharged. ( P. 5 5 2 )
●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. 5 4 7 )
If the engine will not start even though correct starting procedures are being
followed ( P. 185), 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
GX460_OM_OM60L72U_(U)
Emergency flashers ............................. 502
EngineAccessory mode................................. 186
Compartment..................................... 455
Hood ........................................................454
How to start the engine ................... 185
Identification number ...................... 564
If the engine will not start............... 546
Ignition switch (engine switch)..... 185
Overheating ........................................ 555
Engine compartment cover ............. 456
Engine coolant....................................... 459 Capacity ................................................ 566
Checking............................................... 459
Preparing and checking before winter ......................................371
Engine immobilizer system ................. 68
Engine oil ................................................. 457 Capacity ................................................ 564
Checking................................................457
Preparing and checking before winter ......................................371
Engine switch .......................................... 185
Engine switch light ............................... 396
Event data recorder (EDR) ...................10 Flat tire ...................................................... 533
Floor mats.................................................... 24
Fluid
Automatic transmission ................. 568
Brake........................................................569
Steering .................................................. 570
Washer ................................................... 467
Fog lights.................................................. 204 Switch ................................................. 204
Four-wheel drive system................... 336
Front passenger occupant classification system ............................46
Front passenger’s seat belt reminder light ....................................... 513
Front seats .................................................. 118 Adjustment............................................... 118
Cleaning................................................... 441
Correct driving posture .................... 26
Driving position memory...................131
Head restraints .....................................136
Seat heaters .......................................... 394
Seat position memory .........................131
Front turn signal lights .......................... 194 Replacing light bulbs ....................... 494
Turn signal lever ...................................194
Wattage ................................................... 571F

622Alphabetical index
GX460_OM_OM60L72U_(U)
Fuel ............................................................. 564Capacity ................................................ 564
Fuel gauge ................................................ 79
Fuel pump shut off system.............. 510
Information ............................................ 572
Refueling...................................................214
Type ............................................... 214, 564
Warning light ........................................ 513
Fuel consumption information ........... 88
Fuel filler door .......................................... 214 Refueling...................................................214
Fuel gauge ...................................................79
Fuel pump shut off system.................. 510
Fuses .......................................................... 485
Garage door opener ...........................427
Gauges .........................................................79
Glass hatch .............................................. 106
Glove box ................................................400
Hands-free system (for cellular phone)
*
Head restraints ........................................136
Headlights .................................................196 Light switch ............................................ 196
Replacing light bulbs ........................492
Wattage ................................................... 571
Headlights cleaner.................................213
Heaters Automatic air conditioning system .................................... 380, 390
Seat heaters ..........................................394
Outside rear view mirrors ............ 385 Height control ......................................... 331
Hill-start assist control ....................... 346
Hood ......................................................... 454
Hooks
Cargo hooks .......................... 406, 407
Coat hooks ............................................. 421
Retaining hooks (floor mat)..............24
Horn............................................................. 139
I/M test ..................................................... 450
Identification Engine ..................................................... 564
Vehicle ....................................................563
Ignition switch (engine switch) .........185
Ignition switch light .............................. 396
Illuminated entry system ................... 398
Immobilizer system ................................ 68
Indicators ..................................................... 74
Initialization Moon roof .............................................. 150
Power windows.................................... 147
Inside rear view mirror...........................141
Instrument panel light control ............ 80
Interior lights .......................................... 396 Switch ...................................................... 397
Wattage ................................................... 571
Jack Vehicle-equipped jack ................... 534
Jack handle ..............................................537
Jam protection function Moon roof .............................................. 150
Power windows.................................... 147
G
H
I
J