Page 666 of 846

665
4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
19ECU-IG NO.210 A
Rear window defogger, outside rear
view mirror memory, seat heater/ven-
tilator switch, inverter relay, air condi-
tioning system, EC mirror, BODY
ECU, exhaust gas sensor, parking
assist sensor, navigation system,
DSS#2 ECU, meter switch, accessory
meter, folding seat ECU, O/H IG,
head light cleaner, rear air condition-
ing system, deicer, D-module, rain
sensor, air suspension, RR VLV ECU,
steering heater, LKA, P/SEAT IND
20S/HTR FR20 ASeat heater and ventilator
21P/ S E AT F R30 AFront power seat (right)
22DOOR P30 A
Front power window (passenger’s
side), outside rear view mirror mem-
ory
23DOOR10 APo w e r w i n d o w
24DOOR D25 AFront power window (driver’s side)
25DOOR RR25 ARear power window (right)
26S/ROOF25 AMoon roof
27WIP30 AWindshield wipers and washer
28WA S H E R20 AWindshield wipers and washer, rear
window wipers and washer
29COOLING10 ACool box
FuseAmpereCircuit
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Page 702 of 846

5
When trouble arises
701
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
The tire pressure warning system may become inoperative in the following condi-
tions:
(When the condition becomes normal, the system will work properly.)
●If electronic devices or facilities using similar radio wave frequencies are nearby.
●If a radio set at similar frequencies is in use in the vehicle.
●If a window tint that affects the radio wave signals is installed.
●If there is a lot of snow or ice on the vehicle, in particular around the wheels or
wheel housings.
●If non-genuine Lexus wheels are used. (Even if you use genuine Lexus wheels,
the tire pressure warning system may not work properly with some types of
tires.)
●If tire chains are used.
●If the spare tire is in a location subject to poor radio wave signal reception.
● If a large metallic object which can interfere with signal reception is put in the
luggage compartment.
■If the tire pressure warning light comes on after blinking for 1 minute frequently
If the tire pressure warning light comes on after blinking for 1 minute frequently
when the engine switch is turned to the “ON” position, have it checked by your
Lexus dealer.
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Page 745 of 846

744
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Use the mechanical key ( →P. 2 8 )
in order to perform the following
operations (driver’s door only):
Locks all the doors
Closes the windows and moon
roof (turn and hold)
*
Unlocks the door
Tu r n i n g t h e k e y r e a r w a r d u n l o c k s
the driver’s door. Turning the key
once again unlocks the other
doors.
Opens the windows and moon
roof (turn and hold)
*
*
: This setting must be customized at your Lexus dealer.
If communication between the electronic key and vehicle is interrupted
(→ P. 41) or the electronic key cannot be used because the battery is
depleted, the smart access system with push-button start and wireless
remote control cannot be used. In such cases, the doors can be opened or
the engine can be started by following the procedure below.
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Page 805 of 846
804
6-2. Customization
GX460_OM_OM60J63U_(U)
Eco Driv-
ing Indica-
tor Light
(
→P. 2 1 4 )
ECO INDICA-
TIOR DISPLAY
(Eco Driving
Indicator Light
can be enabled/
disabled)
OnOff–OO–
Pow e r
windows
(
→P. 1 0 5 )
Mechanical key
linked operationOffOn–––O
Wireless
remote control
linked operation
OffOn–––O
Moon roof
(
→P. 1 0 8 )
Mechanical key
linked operationOffOn–––O
Wireless
remote control
linked opera-
tion
*5
OffOn–––O
ItemFunctionDefault settingCustomized setting
GX460_OM_OM60J63U_(U).book Page 804 Thursday, March 29, 2012 9:10 AM
Page 806 of 846
805
6-2. Customization
6
Vehicle specifications
GX460_OM_OM60J63U_(U)
*1: Refer to the “Navigation System Owner’s Manual”.
*2: This function cannot be customized for vehicles sold in Canada.
*3: If equipped.
*4: Interior or exterior illumination can be set separately.
*5: This function cannot be customized unless power window operation using thewireless remote control is enabled.
Intuitive
parking
assist-sen-
sor
*1,3
(
→P. 2 7 0 )
Alert Volume
(Alert volume
can be
adjusted)
31 to 5O––O
Display
(Automatic dis-
play off the
LEXUS Park
Assist graphic
can be enabled/
disabled)
OnOffO––O
Distance
(Distance mode
can be
selected) (Front
or rear individu-
ally)
LongShortO––O
ItemFunctionDefault settingCustomized setting
GX460_OM_OM60J63U_(U).book Page 805 Thursday, March 29, 2012 9:10 AM
Page 824 of 846
Index
823
GX460_OM_OM60J63U_(U)
Abbreviation list .................... 824
Alphabetical index ................. 826
What to do if... ....................... 838
For vehicles with a navigation system, refer to the “Naviga-
tion System Owner’s Manual” for information regarding
the equipment listed below.
• Navigation system
• Audio/video system
• Rear seat entertainment system
• Air conditioning
• Windshield wiper de-icer
• Rear window and outside rear view mirror defogging
• Hands-free system (for cellular phone)
• Intuitive parking assist
• Wide view front & side monitor
• Lexus Enform with Safety Connect
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Page 828 of 846

827
Alphabetical index
GX460_OM_OM60J63U_(U)
Back doorBack door .................................................57
Wireless remote control....................49
Back-up lights
Replacing light bulbs ....................... 679
Wattage ................................................. 769
Battery Battery.......................................................631
Checking ................................................. 631
If the vehicle has discharged
battery.................................................. 746
Preparing and checking
before winter...................................... 371
Bluetooth
®*.................................470, 491
Bottle holders/door pockets........... 535
Brake Fluid ...........................................................627
Parking brake ........................................ 197
Brake assist ............................................. 339
Brake in tips .............................................. 173
Brightness control Multi-information display light
control ................................................... 219
Instrument cluster light control...200
Care Exterior ...................................................596
Interior.......................................................601
Seat belts ............................................... 602
Cargo capacity ..................................... 364
Cargo hooks .......................................... 565
Cargo net hooks .................................. 566 CD player/changer
*.......................... 429
Center differential lock/unlock ...... 327
Chains .........................................................371
Child restraint system
Booster seats, definition .................. 150
Booster seats, installation ............... 158
Convertible seats, definition.......... 150
Convertible seats, installation ....... 158
Front passenger occupant classification system ....................... 143
Infant seats, definition ........................ 150
Infant seats, installation ..................... 158
Installing CRS with lower anchorages......................................... 156
Installing CRS with seatbelts ......... 158
Installing CRS with top straps....... 164
Child safety Airbag precautions ............................ 136
Battery precautions ............... 631, 748
Child restraint system ....................... 150
Child-protectors ................................... 53
How your child should wear
the seatbelt............................................ 92
Installing child restraints................... 155
Moon roof precautions...................... 112
Power window lock switch ............ 105
Power window precautions .......... 107
Removed electronic key
battery precautions ...................... 654
Seat belt extender precautions......96
Seat belt precautions .......................... 93
Seat heater precautions................. 559B
C
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
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Page 829 of 846

828
Alphabetical index
GX460_OM_OM60J63U_(U)
Child-protectors ......................................53
CleaningExterior ...................................................596
Interior ...................................................... 601
Seat belts................................................602
Clock
*......................................................546
Coat hooks ............................................... 561
Coin holder .............................................534
Compass ..................................................582
Condenser .............................................. 626
Console box ...........................................532
Conversation mirror ........................... 547
Cool box.................................................... 541
Cooling system Engine overheating .......................... 749
Cornering assist sensors ................... 270
Crawl Control........................................332
Cruise control
Cruise control .....................................250
Dynamic radar cruise control ..... 254
Cup holders ............................................536
Curtain shield airbags.......................... 126
Customizable features .......................788
Daytime running light system ..........228
DAC...........................................................336
Defogger Rear window.......................................... 417
Side mirror .............................................. 417
Dimension ................................................758
Dinghy towing ........................................ 394 Display
Dynamic radar cruise control..... 254
Multi-information display........................................208, 216
Trip information........................208, 216
Warning message ............................ 705
Do-it-yourself maintenance ............... 612
Door courtesy lights Door courtesy lights ........................ 525
Wattage ................................................. 769
Door pocket ........................................... 535
Doors Back door ................................................. 57
Power windows ...................................105
Door lock ......................................... 49, 52
Rear door child protector.................53
Side doors................................................. 52
Side mirrors..............................................101
Downhill assist control system ........ 336
Driver’s seat belt reminder light ..... 697
Driving Correct posture................................... 124
Off-road precautions...................... 358
Procedures..............................................172
Winter driving tips .............................. 371
Driving position memory...................... 82
D
GX460_OM_OM60J63U_(U).book Page 828 Thursday, March 29, 2012 9:10 AM