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

TABLE OF CONTENTSIndex
4
GS_G_U
May 13, 2008 5:14 pm
3-4. Using the hands-free system 
(for cellular phone)................. 291
Hands-free system 
(for cellular phone) .................... 291
Using the Bluetooth
® 
phone ............................................. 296
Setting the hands-free 
system ............................................... 311
3-5. Using the interior lights .......... 337 Interior lights list............................ 337
3-6. Using the storage features .... 340 List of storage fe atures.............. 340
3-7. Other interior features........... 347 Sun visors......................................... 347
Vanity mirror ................................. 348
Clock ................................................. 349
Outside temperature 
display ........................................... 350
Ashtrays ............................................ 351
Cigarette lighter ........................... 352
Power outlet .................................. 353
Seat heaters/vent ilators ............ 354
Armrest ........................................... 356
Rear sunshade ............................... 357
Floor mats....................................... 359
Trunk features............................... 360
Garage door opener .................. 363
Compass.......................................... 369
Lexus Link System ....................... 373 4-1. Maintenance and care........... 388
Cleaning and protecting 
the vehicle exterior.................. 388
Cleaning and protecting 
the vehicle interior ..................... 391
4-2. Maintenance.............................. 394 Maintenance requirements ..... 394
General maintenance ................ 396
Emission inspection and 
maintenance (I/M) 
programs ...................................... 399
4-3. Do-it-yourself 
maintenance........................... 400
Do-it-yourself service 
precautions ................................. 400
Hood................................................. 403
Positioning a floor jack............... 404
Engine compartment................. 406
Tires .................................................... 421
Tire inflation pressure.................. 431
Wheels.............................................. 435
Air conditioning filter.................. 437
Electronic key battery ................ 440
Checking and replacing 
fuses ................................................ 442
Headlight aim................................. 467
Light bulbs ....................................... 470
4Maintenance and care

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3
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5
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5
GS_G_U
May 13, 2008 5:14 pm
5-1. Essential information .............. 478If your vehicle needs 
to be towed .................................. 478
If you think something is 
wrong ............................................. 484
Fuel pump shut off system ....... 485
Event data recorder ................... 486
5-2. Steps to take in an 
emergency .............................. 488
If a warning light turns on or a 
warning buzzer sounds... ...... 488
If a warning message is 
displayed....................................... 497
If you have a flat tire (Vehicles 
with standard tires) .................... 512
If you have a flat tire (Vehicles 
with run-flat tires) ...................... 522
If the engine will not start .......... 523
If the shift lever cannot be 
shifted from “P” .......................... 524
If you lose your keys .................... 525
If the electronic key does not 
operate properly ....................... 526
If the 12 volt battery is 
discharged ................................... 529
If your vehicle overheats .......... 533
If the vehicle becomes 
stuck................................................ 536 6-1. Specifications............................ 540
Maintenance data 
(fuel, oil level, etc.).................... 540
Fuel information ........................... 553
Tire information ............................ 556
6-2. Customization .......................... 569 Customizable features .............. 569
6-3. Initialization ............................... 575 Items to initialize ........................... 575
Reporting safety defects for 
U.S. owners.................................. 578
Seat belt instructions for 
Canadian owners 
(in French) .................................... 579
Abbreviation list ....................... 582
Alphabetical index................... 584
What to do if............................... 594
5When trouble arises6Vehicle specifications
7For owners
Index

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GS_G_U
May 13, 2008 5:14 pm
1-1. Key information
Keys
Using the mechanical keyTake out the mechanical key.
After using the mechanical key,
store it in the electronic key. Carry
the mechanical key together with
the electronic key. If the electronic
key battery is depleted or the smart
access system with push-button
start does not operate properly,
you will need the mechanical key.
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart access system with push-button start
( P. 22)
• Operating the wireless
remote control function 
( P. 3 4 )
Mechanical keys
Key number plate
■When required to leave a key to the vehicle with a parking attendant
Turn the trunk opener main switch OFF and lock the glove box as circumstances
demand. ( P. 4 2 , 3 4 1 ) 
Remove the mechanical key for your own use and provide the attendant with the
electronic key only.

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1-2. Opening, closing and locking the doors and trunk
GS_G_U
October 23, 2015 1:08 pm
■Operation signals
●Doors: A buzzer sounds and the emergency flashers flash to indicate that the
doors have been locked/unlocked. (Locked: Once; Unlocked: Twice)
●Windows and moon roof: A buzzer sounds when the windows and moon roof
begin to close.
■Door lock buzzer
If a door is not fully closed, a buzzer soun ds continuously if an attempt to lock the
door is made. Fully close the door to st op the buzzer, and lock the vehicle once
more.
■Conditions affecting operation
The smart access system with push-button start uses weak radio waves. In the fol-
lowing situations, the communication between key and vehicle may be affected,
preventing the smart access system with push-button start and wireless remote
control from operating properly. (Way of coping: P. 5 2 6 )
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, ga s station, radio station, large display,
airport or other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular phone, cordless phone or other wire-
less communication devices
●When the electronic key has come into contact with, or is covered by a metallic
object
●When multiple electronic keys are in the vicinity
●When carrying or using the electronic key together with the following devices
that emit radio waves
• Another vehicle’s electronic key
• A wireless key that emits radio waves
• Personal computer
●If window tint with a metallic content or metallic objects are attached to the rear
window

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1-2. Opening, closing and locking the doors and trunk
GS_G_U
October 23, 2015 1:08 pm
Unlock the doors using the wireless remote control and open one of the
doors.
If a door is not opened within 60 seconds after is pressed, the doors
will be locked again and the alarm will automatically be set.
In case that the alarm is triggered, immediately stop the alarm. ( P. 7 5 )
■Battery-saving function
In the following circumstances, the entry func tion is disabled in order to prevent the
vehicle and electronic key batteries from discharging.
●When the entry function has not been used for 2 months or more
●When the electronic key has been left within approximately 3 ft. (1 m) of the
vehicle for 10 minutes or more
The system will resume operation when...
●The vehicle is locked using the door handle lock switch
●The vehicle is locked/unlocked using the wireless remote control function 
(  P. 34) or the mechanical key ( P. 5 2 6 )
■Electronic key battery depletion
●The standard battery life is 1 to 2 years. (The battery becomes depleted even if
the electronic key is not used.) If the smart access system with push-button start
or the wireless remote control function does not operate, or the detection area
becomes smaller, the battery may be depleted. Replace the battery when nec-
essary. (  P. 440)
●To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of
the following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Recharging cellular phones or cordless phones
• Table lamps
STEP3

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1-2. Opening, closing and locking the doors and trunk
GS_G_U
October 23, 2015 1:08 pm
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors and trunk: Use the mechanical key. 
(  P. 5 2 6 )
●Starting the engine: P. 5 2 7
■When the electronic key battery is fully depleted 
 P. 4 4 0
■Customization that can be configured at Lexus dealer
Settings (e.g. smart access system with push-button start) can be changed. 
(Customizable features P. 5 6 9 )
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A.
NOTE:
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
FCC WARNING: 
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
For vehicles sold in Canada
NOTE:
This device complies with RSS-210 of Industry Canada. 
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.
FCC ID: NI4TMLF-1

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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
■Door lock buzzer
P. 2 6
■Security feature
P. 3 0
■If the wireless remote control does not operate properly
● Locking and unlocking the doors an d trunk: Use the mechanical key. 
(  P. 5 2 6 )
●Starting the engine. ( P. 5 2 7 )
■Electronic key battery depletion
 P. 2 8
■When the electronic key battery is fully depleted
P. 4 4 0
■Conditions affecting operation
P. 2 6
■Customization that can be configured at Lexus dealer
Settings (e.g. 2-step unlocking function, trunk unlocking function) can be changed.
(Customizable features P. 5 6 9 )

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1-3. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
GS_G_U
June 15, 2008 11:26 am
Push the “1”, “2” or “3” button on
the driver’s side and the button
on the wireless remote control at
the same time for about 1 second
until you hear a beep.
Open one of the doors.
If a door is not opened within 60 seconds after is pressed, the
doors will be locked again and th e alarm will automatically be set.
In case that the alarm is trigger ed, immediately stop the alarm.
( P. 7 5 )STEP3
■Canceling the linked do or unlock operation
Close the driver’s door with the “ENGINE START STOP” switch set to
the OFF.
Push the “SET” button and the button on the wireless remote control
at the same time for about 1 second until you hear 2 beeps.
■Retained accessory power
Each memorized position (except for the tilt and telescopic steering column) can
be activated within 30 seconds after the co rresponding side door is opened, even if
the “ENGINE START STOP” switch is in the OFF.
■If any position memory button is push ed while the adjustments are being made
The operation will stop. To reactivate the sy stem, push the desired button (“1” or “2”)
again.
■If the 12 volt battery is disconnected
The memorized positions must be reset be cause the computer’s memory is erased
when the 12 volt battery is disconnected.
STEP4
STEP1
STEP2

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1-5. Refueling
1
Before driving
GS_G_U
May 13, 2008 5:14 pm
Closing the fuel tank capAfter refueling, turn the fuel tank
cap clockwise until you hear a
click. The cap will revolve slightly in
the opposite direction once
released.
■Fuel types
Use premium unleaded gasoline. (91 Octane Rating [Research Octane Number
96] or higher)
■Fuel tank capacity
Approximately 18.7 gal. (71 L, 15.6 lmp.gal.)
■When the fuel filler door opener switch is inoperable
The lever can be used to open the fuel filler
door if the fuel filler door cannot be opened
using the inside switch because the 12 volt
battery is discharged or for any other reason.

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1-6. Theft deterrent system
GS_G_U
May 13, 2008 5:14 pm
■Items to check before locking the vehicle
To prevent unintended triggering of the alarm and vehicle theft, make sure of the
following.
●Nobody is in the vehicle.
●The windows and moon roof (if equipped) are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
■Tr i g g e r i n g o f t h e a l a r m
The alarm may be triggered in the following situations. 
(Stopping the alarm deactivates the alarm system.)
●A person inside the vehicle opens a door, the trunk or hood.
●The 12 volt battery is recharged or replaced when the vehicle is locked.
■When the 12 volt battery is disconnected
Be sure to cancel the alarm system. 
If the 12 volt battery is disconnected before canceling the alarm, the system may be
triggered when the battery is reconnected.
■Pa n i c m o d e
When is pushed for longer than about
one second, the headlights/tail lights/emer-
gency flashers will flash, the front and rear
interior lights will come on, and an alarm will
sound for about 60 seconds to deter any
person from trying to break into or damage
your vehicle.
To stop the alarm, push any button on the
wireless remote control.