key battery Lexus GX460 2010 Using The Bluetooth Audio System /

738
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
If the electronic key does not operate properly
Locking and unlocking the doors and key linked functions
Use the mechanical key (P. 2 6 )
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
Turning the key rearward unlocks
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 electron ic key and vehicle is interrupted
(  P. 40) 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.

740
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
■Stopping the engine
Shift the shift lever to P and press the “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is a temporary measure, it is recommended that the elec-
tronic key battery be replaced immediately when the battery is depleted. 
(  P. 6 4 2 )

811
Alphabetical index
GX460_U.S.A. (OM60E69U)
Back-up lightsReplacing light bulbs ....................... 669
Wattage ................................................... 761
Battery Battery......................................................622
Checking ................................................622
If the vehicle has discharged 
battery.................................................... 741
Preparing and checking 
before winter ...................................... 361
Bluetooth
®...................................456, 477
Bottle holders/door pockets........... 520
Brake Fluid ............................................................618
Parking brake ........................................ 193
Brake assist ............................................. 330
Brake in tips .............................................. 169
Brightness control Multi-information display light 
control ................................................... 216
Instrument cluster light control.....196
Care Exterior .................................................. 588
Interior..................................................... 592
Seat belts ............................................... 593
Cargo capacity ..................................... 354
Cargo hooks ...........................................557
Cargo net hooks .................................. 559
CD player/changer .............................. 416
Center differential lock/unlock .......318
Chains......................................................... 361
Child restraint system Booster seats, definition................... 147
Booster seats, installation ................155
Convertible seats, definition .......... 147 Convertible seats, installation ....... 155
Front passenger occupant

classification system ....................... 140
Infant seats, definition .........................147
Infant seats, installation ..................... 155
Installing CRS with lower 
anchorages......................................... 153
Installing CRS with seatbelts ......... 155
Installing CRS with top straps......... 161
Child safety Airbag precautions ............................ 133
Battery precautions .............. 622, 743
Child restraint system ........................147
Child-protectors ................................... 52
How your child should wear 
the seatbelt............................................89
Installing child restraints................... 152
Moon roof precautions....................108
Power window lock switch .............. 101
Power window precautions .......... 103
Removed electronic key 
battery precautions .......................644
Seat belt extender precautions...... 93
Seat belt precautions ..........................90
Seat heater precautions................. 553
Child-protectors ...................................... 52
Cleaning Exterior................................................... 588
Interior .....................................................592
Seat belts ............................................... 593
Clock .........................................................533
Coat hooks ..............................................555
Coin holder .............................................. 519
Compass .................................................. 575
Condenser ................................................617
Console box ............................................ 517
C

812
Alphabetical index
GX460_U.S.A. (OM60E69U)
Conversation mirror ...........................534
Cool box...................................................528
Cooling systemEngine overheating .......................... 744
Cornering assist sensors ...................259
Crawl Control........................................323
Cruise control Cruise control ..................................... 242
Dynamic radar cruise control ..... 246
Cup holders ............................................ 522
Curtain shield airbags............................ 121
Customizable features ........................ 781
Daytime running light system .......... 224
DAC........................................................... 327
Defogger Rear window ........................................ 404
Side mirror ............................................404
Dimension ................................................750
Dinghy towing ....................................... 380
Display Dynamic radar cruise control ..... 246
Multi-information 
display ........................................ 204, 212
Trip information ........................ 204, 212
Warning message............................ 698
Do-it-yourself maintenance .............602
Door courtesy lights Door courtesy lights............................ 511
Wattage.................................................... 761
Door pocket............................................520
Doors Back door................................................. 54
Power windows..................................... 101
Door lock...........................................48, 51
Rear door child protector ................ 52 Side doors.................................................. 51
Side mirrors.............................................. 97
Downhill assist control system ........ 327
Driver’s seat belt reminder light ..... 690
Driving Correct posture..................................... 119
Off-road precautions...................... 348
Procedures.............................................168
Winter driving tips .............................. 361
Driving position memory...................... 79
Electronic key If the electronic key does not 
operate properly............................ 738
Emergency, in case of If the electronic key does not 
operate properly............................ 738
If the engine will not start ................734
If the shift lever cannot be 
shifted from P....................................736
If the vehicle has discharged 
battery ................................................... 741
If the warning buzzer sounds...... 686
If the warning light turns on.......... 686
If the warning message is 
displayed ............................................ 698
If you have a flat tire .........................720
If you lose your keys ......................... 737
If you think something is 
wrong ....................................................681
If your vehicle becomes stuck ..... 747
If your vehicle needs to be 
towed ................................................... 675
If your vehicle overheats.................744
Emergency flashers Switch .......................................................674
D
E

816
Alphabetical index
GX460_U.S.A. (OM60E69U)
Parking assist sensors .........................259
Parking brake .......................................... 193
Parking lightsReplacing light bulbs........................665
Switch ...................................................... 220
Wattage.................................................... 761
PCS ........................................................... 338
Personal lights Personal lights ........................................ 511
Switch ........................................................513
Wattage.................................................... 761
Power steering Fluid ..........................................................620
Power outlet.....................535, 537, 542
Power windows ........................................101
Pre-Collision System ......................... 338
Radar cruise control ............................ 246
Radiator ......................................................617
Radio ......................................................... 408
RDS (Radio Date System) ................. 410
Rear height control 
air suspension ...................................... 310
Rear seat Adjustment............................................... 68
Folding down the second 
seatbacks ....................................... 70, 71
Folding down the third seats ...........73
Rear side marker lights Replacing light bulbs........................ 667
Wattage.................................................... 761
Rear step bumper....................................55
Rear turn signal lights Replacing light bulbs........................ 667
Wattage.................................................... 761 Rear view mirror
Compass ............................................... 575
Rear view monitor system .................274
Rear window defogger ...................... 404
Rear window wiper and washer ..... 239
Replacing Electronic key battery ......................642
Fuses ........................................................ 645
Light bulbs ............................................ 660
Tires...........................................................720
Reporting safety defects for 
U.S. owners..........................................804
Scuff lighting .............................................. 511
Seat belts Adjusting the seat belt ........................87
Automatic Locking Retractor ........ 88
Child restraint system 
installation ............................................ 152
Cleaning and maintaining 
the seat belts .................................... 593
Emergency Locking 
Retractor ............................................... 88
How to wear your seat belt ............ 86
How your child should wear 
the seat belt.......................................... 89
Pre-collision seat belts....................... 88
Pregnant women, 
proper seat belt use ........................ 89
Reminder light..................................... 690
Seat belt extenders.............................. 90
Seat belt pretensioners ....................... 91
Seat heaters ............................................. 551
Seat position memory............................ 79
Seat ventilator ......................................... 551
Seating capacity.................................... 359P
R
S

819
Alphabetical index
GX460_U.S.A. (OM60E69U)
Warning buzzersBrake system ....................................... 705
Open door .............................. 690, 703
Open glass hatch reminder......... 704
Seat belt reminder ............................690
Warning lights Anti-lock brake system 
(ABS) .................................................. 688
Brake system .......................................686
Charging system ............................... 687
Kinetic dynamic suspension 
system..................................................689
Low fuel level.......................................690
Malfunction indicator lamp .......... 687
Master warning light ..........................691
Open door ...........................................690
PCS ......................................................... 688
Seat belt reminder light ..................690
Slip indicator light ............................. 688
SRS airbags ......................................... 688
Tire pressure warning light.............691
Warning messages Automatic transmission fluid 
temperature ...................................... 700
Automatic transmission  system.................................................. 700
Brake system ....................................... 705
Dynamic radar cruise control 
system...................................... 702, 707
Engine oil maintenance.................. 705
Engine oil pressure........................... 699
Intuitive parking assist ....................... 701
Low washer level............................... 705
Open door ........................................... 703
Open glass hatch .............................. 704 Open moon roof ...............................704
Pre-collision system............... 701, 706
Rear height control air suspension

system ................................................... 701
Smart access system with push 
button start ........................................ 709
Steering lock system ....................... 700
Warning reflector holder ................. 558
Washer Checking ...............................................626
Preparing and checking 
before winter ..................................... 361
Switch.......................................................235
Washing and waxing .......................... 588
Weight Cargo capacity .................................. 353
Load limits ............................................ 359
Weight.................................................... 750
Wheels ......................................................638
Wide view front & side monitor...... 279
Window glasses ......................................101
Window lock switch ...............................101
Windows Power windows ..................................... 101
Rear window defogger.................. 404
Washer ...................................................235
Windshield wiper de-icer..................405
Windshield wipers................................ 235
Winter driving tips ................................. 361
Wireless remote control key Locking/Unlocking .............................48
Replacing the battery.......................642
Wireless remote control key ..........48
WMA disc ............................................... 424W
*: Refer to the “Navigatio n System Owner’s Manual”.

820
GX460_U.S.A. (OM60E69U)
What to do if...
What to do if...
A tire puncturesP. 7 2 0If you have a flat tire
The engine does not start
P. 1 1 4Engine immobilizer system
P. 7 3 4If the engine will not start
P. 74 1If the battery is discharged
The shift lever cannot be 
moved outP. 7 3 6If the shift lever cannot be shifted 
from “P”
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming 
from under the hood
P. 74 4If your vehicle overheats
The key is lostP. 7 3 7If you lose your keys
The battery is dischargedP. 74 1If the vehicle has a discharged battery
The doors cannot be lockedP. 5 1Side doors
P. 5 4Back door
The horn begins to soundP. 1 1 6Alarm
The vehicle is stuck in mud or
sandP. 74 7If the vehicle becomes stuck