2013 Lexus GX460 key battery

653
4-3. Do-it-yourself maintenance
4
Maintenance and care
GX460_OM_OM60J63U_(U)
■Use a CR1632 lithium battery
●Batteries can be purchased at your Lexus dealer, local electrical appliance
shops or camera stores.
●Replace only with the same or equivalent type recommended by the manufac-
turer.
●Dispose of used batteries according to the local laws.
■If the electronic key battery is discharged
The following symptoms may occur.
●The smart access system with push-button start and wireless remote control will
not function properly.
●The operational range is reduced.
Remove the depleted battery.
Insert a new battery with the “+”
terminal facing up.
STEP3

When trouble arises5
683
GX460_OM_OM60J63U_(U)
5-1. Essential informationEmergency flashers............... 684
If your vehicle needs to be towed ............................ 685
If you think something is wrong ....................................... 691
Fuel pump shut off system.... 692 5-2. Steps to take in an
emergency
If a warning light turns on or a warning buzzer
sounds..................................... 693
If a warning message is displayed................................ 705
If you have a flat tire................ 726
If the engine will not start ..... 740
If the shift lever cannot be shifted from P ........................ 742
If you lose your keys ............... 743
If the electronic key does not operate properly........... 744
If the vehicle battery is discharged ............................. 746
If your vehicle overheats ...... 749
If the vehicle becomes stuck........................................ 752
If your vehicle has to be stopped in an
emergency ............................ 754

722
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)

Po w e r w a s t u r n e d
off due to the
automatic power
off function.
Next time when
starting the
engine, increase
the engine speed
slightly and main-
tain that level for
approximately 5
minutes to
recharge the bat-
tery.
Sounds
onceThe electronic key
has a low battery.Replace the elec-
tronic key battery.
(P. 6 5 2 )
Interior
buzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure

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
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. 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.

5
When trouble arises
745
5-2. Steps to take in an emergency
GX460_OM_OM60J63U_(U)
Starting the engine
Ensure that the shift lever is in P and depress the brake pedal.Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
If any of the doors is opened or
closed while the key is being
touched to the switch, an alarm will
sound to indicate that the start
function cannot detect the elec-
tronic key.
Press the “ENGINE START STOP” switch within 10 seconds of
the buzzer sounding, keeping the brake pedal depressed.
In the event that the “ENGINE START STOP” switch still cannot be oper-
ated, contact your Lexus dealer.
STEP1
STEP2
■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 5 2 )
■Changing “ENGINE START STOP” switch modes
Within 10 seconds of the buzzer sounding, release the brake pedal and press the
“ENGINE START STOP” switch.
The engine does not start and modes will be changed each time the switch is
pressed. ( P. 1 8 5 )
STEP3

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”.

829
Alphabetical index
GX460_OM_OM60J63U_(U)
Electronic keyIf the electronic key does not operate properly .............................744
Emergency, in case of If the electronic key does not operate properly .............................744
If the engine will not start ............... 740
If the shift lever cannot be shifted from P .................................... 742
If the vehicle has discharged battery.................................................. 746
If the warning buzzer sounds...... 693
If the warning light turns on .......... 693
If the warning message is displayed ............................................ 705
If you have a flat tire .........................726
If you lose your keys .........................743
If you think something is wrong.....................................................691
If your vehicle becomes stuck .....752
If your vehicle has to be stopped in an emergency ......... 754
If your vehicle needs to be towed ...................................................685
If your vehicle overheats................ 749
Emergency flashers Switch ...................................................... 684 Engine
Accessory mode................................. 183
Compartment....................................... 618
Engine switch ........................................ 183
Hood ..........................................................617
How to start the engine ................... 183
Identification number .......................759
If the engine will not start................740
Ignition switch ....................................... 183
Overheating ......................................... 749
Engine compartment cover .............. 619
Engine coolant Capacity ................................................. 763
Checking ...............................................624
Preparing and checking before winter ......................................371
Engine coolant temperature gauge....................................................... 199
Engine immobilizer system.................. 119
Engine oil Capacity ...................................................761
Checking .............................................. 620
Preparing and checking before winter ......................................371
Engine switch .......................................... 183
Engine switch light................................525
Event data recorder (EDR) ................. 23E
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.

833
Alphabetical index
GX460_OM_OM60J63U_(U)
Personal lightsPersonal lights..................................... 525
Switch .......................................................527
Wattage ................................................. 769
Power steering Fluid .......................................................... 629
Power outlet ............................... 548, 550
Power windows.......................................105
Pre-Collision System...........................347
Radar cruise control ............................254
Radiator.....................................................626
Radio ........................................................... 421
RDS (Radio Date System).................423
Rear height control air suspension ..................................... 320
Rear seat Adjustment .................................................71
Folding down the second seatbacks ...................................... 73, 74
Folding down the third seats ...........76
Rear side marker lights Replacing light bulbs ........................677
Wattage ................................................. 769
Rear step bumper ................................... 58
Rear turn signal lights Replacing light bulbs ........................677
Wattage ................................................. 769
Rear view mirror Compass ............................................... 582
Rear view monitor system ................ 285
Rear window defogger
*..................... 417
Rear window wiper and washer .....246 Replacing
Electronic key battery ......................652
Fuses........................................................ 655
Light bulbs ............................................ 670
Tires .......................................................... 726
Reporting safety defects for U.S. owners ........................................... 810
Scuff lighting ...........................................525
Seat belts Adjusting the seat belt ........................90
Automatic Locking Retractor...........91
Child restraint system installation ............................................ 155
Cleaning and maintaining the seat belts .................................... 602
Emergency Locking Retractor ..................................................91
How to wear your seat belt .............89
How your child should wear the seat belt .......................................... 92
Pre-collision seat belts .........................91
Pregnant women, proper seat belt use ......................... 92
Reminder light .....................................697
Seat belt extenders .............................. 93
Seat belt pretensioners ...................... 94
Seat heaters ............................................ 557
Seat position memory ............................ 82
Seat ventilator ........................................ 557
Seating capacity ....................................369
R
S
*: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.