ECO mode Lexus GS350 2008 Do-it-yourself maintenance / LEXUS 2008 GS460/350 OWNER'S MANUAL (OM30A87U)

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1-2. Opening, closing and locking the doors and trunk
1
Before driving
GS_G_U
October 23, 2015 1:08 pm
■To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the
electronic key too close to the vehicle wh en operating the system from the outside
of the vehicle.
Depending on the position and holding condition of the electronic key, the key may
not be detected corr ectly and the system may not operate properly. (The alarm may
go off accidentally, or the door lock prevention may not function.)
■Note for the smart access system with push-button start
●Even when the electronic key is within the effective range (detection areas), the
system may not operate properly in the following cases.
• The electronic key is too close to the window or outside door handle, near the
ground, or in a high place when the doors are locked or unlocked.
• The electronic key is near the ground or in a high place, or too close to the rear bumper center when the trunk is unlocked.
• The electronic key is on the instrument panel, rear package tray or floor, or in
the glove box when the engine is started or “ENGINE START STOP” switch
modes are changed.
●As long as the electronic key is within the effective range, the doors may be
locked or unlocked by anyone.
●Even if the electronic key is not inside th e vehicle, it may be possible to start the
engine if the electronic key is near the window.
●The doors may unlock if a large amount of water splashes on the door handle,
such as in the rain or in a car wash when the electronic key is within the effective
range. (The doors will automatically be locked after approximately 60 seconds
if the doors are not opened and closed.)

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1-2. Opening, closing and locking the doors and trunk
1
Before driving
GS_G_U
October 23, 2015 1:08 pm
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 2
seconds
Tried to lock the doors using
the entry function while the
electronic key is still inside
the passenger compartmentRetrieve the electronic
key from the passenger
compartment and lock
the doors again.
Closed the trunk while the
electronic key is still inside
and all doors are lockedRetrieve the electronic
key from the trunk and
close the trunk lid.
Exterior alarm
sounds once for 60
seconds
Tried to exit the vehicle with
the electronic key and lock
the doors without first turning
the “ENGINE START STOP”
switch OFFTu r n t h e “ E N G I N E
START STOP” switch
OFF and lock the doors
again.
Exterior alarm
sounds once for 10
secondsTried to lock the vehicle using
the entry function while a
door is openClose all of the doors
and lock the doors
again.
Interior alarm
sounds continu-
ouslyTried to open the door and
exit the vehicle without shift-
ing the shift lever to “P”Shift the shift lever to
“P”.
Interior alarm rings
continuously
Switched to ACCESSORY
mode while the driver’s door
is open (Opened the driver’s
door when the “ENGINE
START STOP” switch is in
ACCESSORY mode.)
Tu r n t h e “ E N G I N E
START STOP” switch
OFF and close the
driver’s door.
Turned the “ENGINE START
STOP” switch OFF while the
driver’s door is open
Close the driver’s door.

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1-2. Opening, closing and locking the doors and trunk
1
Before driving
GS_G_U
October 23, 2015 1:08 pm
Automatic door locking and unlocking systemsThe following functions can be set or canceled:
■ Setting and canceling the functions
To switch between setting and canceling, follow the procedure below:
Close all the doors and switch the “ENGINE START STOP”
switch to IGNITION ON mode. (Perform step 2 within 10 sec-
onds.) Shift the shift lever to “P” or “N”,
press and hold the driver’s door
lock switch (
or ) for approxi-
mately 5 seconds then release.
The shift lever and switch positions
corresponding to the desired func-
tion to be set or canceled are
shown as follows.
FunctionOperation
Shift position linked door
locking functionShifting the shift lever out of “P” locks all doors.
Shift position linked door
unlocking functionShifting the shift lever to “P” unlocks all doors.
Speed linked door locking
functionAll doors are locked when the vehicle speed is
approximately 12 mph (20 km/h) or higher.
Driver’s door linked door
unlocking functionAll doors are unlocked when the driver’s door is
opened within 10 seconds after turning the
“ENGINE START STOP” switch OFF.
STEP1
STEP2

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1
1-3. Adjustable components (seats, mirrors, steering wheel)
Before driving
GS_G_U
June 15, 2008 11:26 am
Driving position memory system (if equipped)
Your preferred driving position (the position of the driver’s seat, steering
wheel and outside rear view mirrors) can be entered into the computer’s
memory and recalled with the touch of a bu tton. It is also possible to set this
function to activate automatically when the doors are unlocked. 
Three different driving positions can be entered into memory.
The same buttons are found on the fr ont passenger’s side, allowing the
position of the front passenger’s seat to be memorized.
■ Entering a position to memory
Check that the shift lever is set in “P”.
Turn the “ENGINE START STOP ” switch to IGNITION ON
mode.
Adjust the driver’s seat, steering wheel, and outside rear view
mirrors to the desired positions.
While pushing the “SET” button,
push button “1”, “2” or “3” until
the signal beeps.
If the selected button has
already been preset, the previ-
ously recorded position will be
overwritten.
STEP1
STEP2
STEP3STEP3

65
1-4. Opening and closing the windows and moon roof
1
Before driving
GS_G_U
May 13, 2008 5:14 pm
■The power windows can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■Linked door lock window operation
●The power windows can be opened and closed using the mechanical key. 
( P. 5 2 6 )
●The power windows can be opened using the wireless remote control. 
(  P. 3 4 )
●The power windows can be closed using the smart access system with push-
button start. ( P. 2 2 )
■Operating the power windows after turning the “ENGINE START STOP” switch
OFF
The power windows can be operated for ap proximately 45 seconds even after the
“ENGINE START STOP” switch is switched to ACCESSORY mode or turned
OFF. They cannot, however, be operated once the driver’s or front passenger’s door
is opened.
■Jam protection function
If an object becomes caught between th e window and the window frame, window
travel is stopped and the window is opened slightly.
■Customization that can be configured at Lexus dealer
Settings (e.g. linked door lock operation) can be changed. 
(Customizable features  P. 5 7 1 )

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1-4. Opening and closing the windows and moon roof
GS_G_U
May 13, 2008 5:14 pm
■The moon roof can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■Linked door lock moon roof operation
●The moon roof can be opened and closed using the mechanical key. (P. 5 2 6 )
●The moon roof can be opened using the wireless remote control. ( P. 3 4 )
●The moon roof can be closed using the smart access system with push-button
start. ( P. 2 2 )
■Operating the moon roof after turning the “ENGINE START STOP” switch OFF
The moon roof can be operated for ap proximately 45 seconds even after the
“ENGINE START STOP” switch is switched to ACCESSORY mode or turned
OFF. It cannot, however, be operated once the driver’s door is opened.
■Jam protection function
If an object is detected between the moon roof and the frame while closing or tilting
down, travel is stopped and the moon roof opens slightly.
■If the moon roof cannot be closed automatically
Keep the close switch depressed.
■To reduce moon roof wind noise
Drive with the moon roof opened automati cally ( just before fully opened position).
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will
open automatically when the moon roof is opened.
■Customization that can be configured at Lexus dealer
Settings (e.g. linked door lock operation) can be changed. 
(Customizable features P. 5 7 1 )

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1
1-6. Theft deterrent system
Before driving
GS_G_U
May 13, 2008 5:14 pm
Alarm
The system sounds the alarm and flashes lights when forcible entry is
detected.
■Triggering of the alarm
The alarm is triggered in the following situations.
●A locked door or trunk is unlocked or opened in any way other
than using the smart access system with push-button start, wire-
less remote control or mechanical key. (The doors will lock again
automatically.)
● The hood is opened while the vehicle is locked.
■ Setting the alarm system
Close the doors, trunk and
hood, and lock all doors.
The system will be set automati-
cally after 30 seconds.
The indicator light changes from
being on to flashing when the
system is set.
■Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm.
●Unlock the doors or trunk.
● Turn the “ENGINE START STOP” switch to the ACCESSORY or
IGNITION ON mode. (The alarm will be deactivated or stopped
after a few seconds.)

118
2-1. Driving procedures
GS_G_U
May 13, 2008 5:14 pm
CAUTION
■When taking a nap in the vehicle
Always turn the engine off. Otherwise, you may accidentally move the shift lever or
depress the accelerator pedal, which could cause an accident or fire due to engine
overheating. Additionally, if the vehicle is parked in a poorly ventilated area, exhaust
gases may collect and enter th e vehicle, leading to death or a serious health hazard.
■When braking the vehicle
●When the brakes are wet, drive more cautiously. 
Braking distance increases when the brakes are wet, and may cause one side of
the vehicle to brake differently than the other side. Also the parking brake may
not securely hold the vehicle.
●If the brake actuator (GS460) or brake booster (GS350) does not operate, do
not follow other vehicles closely and avoi d downhill or sharp turns that require
making. 
In this case, braking is still possible, but it will require more force on the pedal than
usual. Braking distance may also increase.
●Do not pump the brake pedal if turning the engine off. 
Each push on the brake pedal uses up the reserve for the power-assisted brakes.
●The brake system consists of 3 (GS460) or 2 (GS350) individual hydraulic sys-
tems: If one of the systems fails, the other will still operate. In this case, the brake
pedal should be depressed more firmly th an usual and braking distance becomes
longer. 
Do not drive your vehicle with only a single brake system. Have your brakes fixed
immediately.
■If the vehicle becomes stuc k or bogged (4WD models)
Do not spin the wheels recklessly when any of the tires is up in the air, or stuck in
sand or mud, etc. This may damage the drive system components or propel the
vehicle forward (or in another direction) and cause an accident.

119
2-1. Driving procedures
2
When driving
GS_G_U
May 13, 2008 5:14 pm
NOTICE
■While driving the vehicle
Do not use the accelerator pedal or depress accelerator and brake pedals together
to hold the vehicle on a hill.
■When parking the vehicle
Always put the shift lever in “P”. Failure to do so may cause the vehicle to move or
the vehicle may accelerate suddenly if the accelerator pedal is accidentally
depressed.
■Avoiding damage to vehicle parts
●Do not turn the steering wheel fully in either direction and hold it there for a long
time. 
Doing so may damage the power steering motor.
●When driving over bumps in the road, drive as slowly as possible to avoid damag-
ing the wheels, underside of the vehicle, etc.
■If you hear a squealing or scraping no ise (brake pad wear limit indicators)
Have your Lexus dealer check and replac e the brake pads as soon as possible.
The rotor damage can result if the pads are not replaced when needed.
Front brake only: Moderate levels of the brake pad and disc wear allow enhanced
front braking power. As a result, the discs may wear more quickly than conventional
brake discs. Therefore, when replacing the brake pads, Lexus recommends that you
also have the thickness of the discs measured.
It is dangerous to drive the vehicle when the wear limits of the brake pads and/or
that of the brake discs are exceeded.

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2-1. Driving procedures
GS_G_U
May 13, 2008 5:14 pm
CAUTION
■When starting the engine
Always start the engine while sitting in the driver’s seat. Do not press the accelera-
tor pedal while starting the engine under any circumstances. 
Doing so may cause an accident resu lting in death or serious injury.
■Stopping the engine in an emergency
If you want to stop the engine in an emergency while driving the vehicle, push and
hold the “ENGINE START STOP” switch for more than 3 seconds. 
However, do not touch the “ENGINE START STOP” switch while driving except in
an emergency. If the engine stops while the vehicle is being driven, this could lead to
an unexpected accident.
NOTICE
■To prevent 12 volt battery discharge
Do not leave the “ENGINE START STOP” switch in ACCESSORY or IGNITION
ON mode for long periods if the engine is not running.
■When starting the engine
●Do not race the engine.
●If the engine becomes difficult to start or stalls frequently, have the engine
checked immediately.