2010 Lexus GX460 stop start

5
When trouble arises
739
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
Changing “ENGINE START STOP” switch modes and 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.
To change “ENGINE START STOP” switch modes: Within 10
seconds of the buzzer sounding , release the brake pedal and
press the “ENGINE START STOP” switch. Modes can be
changed each time the switch is pressed. ( P. 1 8 1 )
To start the engine: Press th e “ENGINE START STOP” switch
within 10 seconds of the buzz er 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
STEP3

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 )

742
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
■Starting the engine when the battery is discharged
The engine cannot be started by push-starting.
■To prevent battery discharge
●Turn off the headlights and the audio system while the engine is off.
●Turn off any unnecessary electrical components when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the battery of your vehicle.
Open and close any of the doors of your vehicle with the
“ENGINE START STOP” switch off.
Maintain the engine sp eed of the second vehicle and start the
engine of your vehicle by tu rning the “ENGINE START STOP”
switch to IGNITION ON mode.
Once your vehicle’s engine has started, remove the jumper
cables in the exact reverse ord er in which they were con-
nected.
Once the engine starts, have the ve hicle checked at your Lexus dealer
as soon as possible.STEP3
STEP4
STEP5
STEP6

744
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
If your vehicle overheats
If the engine overheats:
Stop the vehicle in a safe place and turn off the automatic air
conditioning system.
Check to see if steam is coming out from under the hood.
If you see steam: 
Stop the engine. Carefully lift the hood after the steam sub-
sides and then restart the engine.
If you do not see steam: Leave the engine running and carefully lift the hood.
Remove the engine compartment covers. ( P. 6 0 9 )
Check to see if the cooling fan is operating.
If the fan is operating: 
Wait until the engine coolant temperature gauge begins to
fall and then stop the engine.
If the fan is not operating: 
Stop the engine and call your local Lexus dealer.STEP1
STEP2
STEP3
STEP4

5
When trouble arises
747
5-2. Steps to take in an emergency
GX460_U.S.A. (OM60E69U)
If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle becomes
stuck in mud, dirt, or snow:
Stop the engine. Set the parking brake and shift the shift lever
to P.
Remove the mud, snow, or sand from around the stuck tire.
Place wood, stones or some ot her material to help provide
traction under the tires.
Restart the engine.
Lock the center differential. (  P. 318)
Release the parking brake and shif t the shift lever to the D or R
position and carefully apply the accelerator to free the vehicle.
Turn off TRAC and VSC if these functions are hampering your
attempts to free the vehicle. (P. 3 3 3 )
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6

792
6-2. Customization
GX460_U.S.A. (OM60E69U)
Illumination
(
P. 511)
Operation after
the “ENGINE
START STOP”
switch is turned
to OFF
*4
OnOff–––O
Operation
when the doors
are unlocked
with the smart
access system
with push-but-
ton start or the
wireless remote
control func-
tion
*4
OnOff–––O
Operation
when you
approach the
vehicle with the
electronic key
on your per-
son
*4
OnOff–––O
ItemFunctionDefault settingCustomized setting

799
6-2. Customization
6
Vehicle specifications
GX460_U.S.A. (OM60E69U)
Multi-information display (P. 204, 212)
Settings that can be changed using the menu switch and the “ENTER”
switch.
Available units
km, km/L
km, L/100km
MI., MPG (US)
Available languages (accessory meters and optitron type meters)
For U.S.A.English (U.S.A.) and Spanish
For CanadaEnglish (U.S.A.), French and Spanish
■In the following situations, customize mo de will automatically be turned off.
●A warning message appears after the customize mode screen is displayed.
●The engine switch is turned to “ENGINE START STOP” switch is turned to
OFF.
●The vehicle begins to move while the customize mode screen is displayed.

817
Alphabetical index
GX460_U.S.A. (OM60E69U)
SeatsAdjustment .............................64, 68, 79
Adjustment 
precautions ......................... 67, 77, 82
Child seats/child restraint 
system installation ............................ 152
Cleaning ................................................ 592
Driver’s seat position memory .......79
Folding down the second 
seatbacks ........................................70, 71
Folding down the third seats ........... 73
Head restraint ........................................ 83
Properly sitting in the seat.................119
Seat heaters............................................551
Seat position memory .........................79
Ventilated seats ....................................551
Service reminder indicators .............198
Shift lever Automatic transmission....................186
If the shift lever cannot be 
shifted from P ................................... 736
Shift lever lighting.................................... 511
Shift lock system ....................................736
Side airbags ................................................121
Side marker lights Replacing light bulbs ...........665, 667
Switch ...................................................... 220
Wattage ................................................... 761
Side mirror Adjusting and folding ..........................97
Mirror position memory ....................79
Side turn signal lights Replacing light bulbs ....................... 670 Smart access system with

push-button start Antenna location ................................... 32
Entry functions ........................................ 29
Starting the engine ..............................179
Spare tire Inflation pressure ............................... 760
Storage location .................................720
Spark plug................................................ 755
Specifications .........................................750
Speedometer .......................................... 195
Steering Column lock release......................... 183
Fluid.......................................................... 760
Steering wheel Adjustment ............................................... 94
Audio switches....................................452
Heated steering wheel ................... 549
Steering wheel position 
memory .................................................. 79
Stop light Replacing light bulbs ....................... 670
Storage feature....................................... 515
Stuck If your vehicle becomes stuck ..... 747
Sun visors .................................................. 531
Switch “ENGINE START STOP” 
switch......................................................179
Engine switch .........................................179
“2nd STRT” switch..............................188
Center differential lock/unlock  switch..................................................... 318
“DAC” switch....................................... 327
Emergency flasher Switch............. 674