2008 Lexus GS460 stop start

510
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
InteriorbuzzerExterior buzzerWa r n i n g m e s s a g eDetailsCorrection
procedure
Once
(Flashing)
The electronic key
battery is low.Replace the
battery.
( P. 4 4 0 )

An open door has
been closed and
the “ENGINE
START STOP”
switch has been
turned twice to
the ACCES-
SORY mode from
OFF.
Press the
“ENGINE
START
STOP”
switch while
applying the
brakes.

(Flashing)
The steering lock
has not released
within 3 seconds
of pressing the
“ENGINE START
STOP” switch.
The “ENGINE
START STOP”
switch indicator
will flash green for
15 seconds.Press the
“ENGINE
START
STOP”
switch again
while turn-
ing the
steering
wheel with
the brake
pedal
depressed.

524
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
If the shift lever cannot be shifted from “P”
If the shift lever cannot be shifted with your foot on the brake, there may be
a problem with the shift lock system (a system to prevent accidental opera-
tion of the shift lever). Have the vehicle inspected by your Lexus dealer
immediately. 
The following steps may be used as an emergency measure to ensure that
the shift lever can be shifted.
Set the parking brake.
Turn the “ENGINE START STOP” switch to the ACCESSORY
mode.
Depress the brake pedal.
Pry the cover up with a flathead
screwdriver or equivalent.
Press the shift lock override but-
ton.
The shift lever can be shifted
while the button is pressed.
STEP1
STEP2
STEP3
STEP4
STEP5

5
When trouble arises
527
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
Tr u n kTurn the mechanical key clock-
wise to open.
Changing “ENGINE START STOP” switch modes and starting the
engine
Put the shift lever in “P” and apply the brakes. Touch the Lexus emblem side of
the electronic key to the
“ENGINE START STOP” switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to
the “ENGINE START STOP”
switch if any of the doors is opened
and closed while the key is touched
to the switch.
STEP1
STEP2

528
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
To change the “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. 122)
To start the engine: Press the “ENGINE START STOP” switch
within 10 seconds after the buzz er sounds, keeping the brake
pedal depressed.
If the “ENGINE START STOP” switch still cannot be operated, contact
your Lexus dealer.
■Stopping the engine
Shift the shift lever to “P” and press th e “ENGINE START STOP” switch as you nor-
mally do when stopping the engine.
■Replacing the key battery
As the above procedure is the temporary measure, it is recommended that the
electronic key battery be replaced i mmediately when the battery depletes.
(  P. 440)
STEP3

530
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
GS350
Positive (+) battery terminal on your vehicle.
Positive (+) battery terminal on the second vehicle.
Negative (-) battery terminal on the second vehicle.
Connect the jumper cable to ground on your vehicle as shown. Start the engine of the second vehicle. Increase the engine
speed slightly and maintain at that level for approximately 5
minutes to recharge the 12 volt battery of your vehicle.
Open and close any of the do ors with the “ENGINE START
STOP” switch is OFF.
STEP3
STEP4

5
When trouble arises
531
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
■Starting the engine when the 12 volt battery is discharged
The engine cannot be started by push-starting.
■To prevent 12 volt battery discharge
●Turn off the headlights and the audio system while the engine is turned off.
●Turn off any unnecessary electrical compon ents when the vehicle is running at a
low speed for an extended period, such as in heavy traffic, etc.
■When the 12 volt battery is removed or discharged
The following systems must be initialized.
●Tire pressure warning system (P. 4 2 2 )
●Intuitive parking assist (P. 5 0 7 )
CAUTION
■Avoiding battery fires or explosions
Observe the following precautions to prevent accidentally igniting the flammable
gas that may be emitted from the battery.
●Make sure the jumper cable is connected to the correct terminal and that it is not
unintentionally in contact with any pa rt other than the intended terminal.
●Do not allow the jumper cables to come into contact with the “+” and “-” termi-
nals.
●Do not allow open flame or use matches, cigarette lighters or smoke near the
battery.
Maintain the engine speed on th e second vehicle and turn the
“ENGINE START STOP” switch to the IGNITION ON mode,
then start the vehicle’s engine.
Once the vehicle’s engine ha s 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.STEP5
STEP6

536
5-2. Steps to take in an emergency
GS_G_U
May 13, 2008 5:14 pm
If the vehicle becomes stuck
CAUTION
■When attempting to free a stuck vehicle
If you choose to rock the vehicle back and forth to free it, make sure the surround-
ing area is clear, to avoid striking other vehicles, objects or persons. The vehicle
may also lunge forward or lunge back suddenly as it becomes free. Use extreme
caution.
■When shifting the shift lever
Be careful not to shift the shift lever with the accelerator pedal depressed.
This may lead to unexpected rapid acceleration of the vehicle that may cause an
accident and result in death or serious injury.
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
in “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.
Shift the shift lever to the “D” or “R” position and carefully apply
the accelerator to free the vehicle.
Turn off TRAC/VSC if these functi ons are hampering your attempts
to free the vehicle. ( P. 1 8 6 )
STEP1
STEP2
STEP3
STEP4
STEP5

573
6-2. Customization
6
Vehicle specifications
GS_G_U
May 13, 2008 5:14 pm
ItemFunctionDefault settingCustomizedsetting
Windshield
wipers and
washer 
(
P. 1 4 6 )
Switching operation when
the vehicle is stationaryONOFF
Drip prevention functionONOFF
Time elapsed before the
drip prevention function
operatesVa r i a b l e
depending on
the vehicle
speed
3 seconds
Illumination 
(
P. 3 3 7 )
Time elapsed before lights
turn off15 seconds7. 5 s e c o n d s
30 seconds
Operation when the
doors are unlockedONOFF
Operation after the
“ENGINE START STOP”
switch turned OFF
ONOFF
Front/rear personal lights
turned on when a door is
openedCorresponding light onlyAll lights
OFF
Foot lights ONOFF
Shift lever lightONOFF
Outer foot lightONOFF
Rear sunshade 
(
P. 3 5 7 )
Time elapsed before the
reverse operation feature
activates
0.7 seconds
0 seconds
0.9 seconds
1.2 seconds