2008 Lexus GS450h headlights

229
3-1. Using the touch screen
3
Interior features
GS_HV_U
December 12, 2007 3:50 pm
■“Day Mode”
■To turn off the picture display
If is touched, the screen display is turned off, and guidance is by voice only.
When the headlights are turned on, the
screen dims. However the screen can be
switched to “Day Mode”.
The screen will stay in “Day Mode” when
the headlights are turned on until is
touched again.
If the instrument panel light control is set to
“MAX”, “Day Mode” is not displayed.

390
3-7. Other interior features
GS_HV_U
December 13, 2007 10:51 am
Stolen vehicle location assistance
If your vehicle is stolen, call the Lexus Link Call Center at 1-800-25-
LEXUS (1-800-255-3987) (toll-free) and select the option for Lexus Link.
To protect subscribers’ privacy, the location of a vehicle will not be provided to
anyone other than a law enforcement authority.
Remote horn/lights and remote door lock/unlock
The remote operations are performed by contacting the Lexus Link Call
Center from the outside of the vehicle. When necessary, call the Lexus Link
Call Center at 1-800-25-LEXUS (1-800-255-3987) (toll-free) and
select the option for Lexus Link.
● In the case that you forget to lock the vehicle or you are locked out, the
Lexus Link Call Center can send a sig nal to lock or unlock the vehicle
remotely.
● In the case that you forget where you parked the vehicle, such as in a
large parking lot, the Lexus Link Call Center can send a signal to flash the
headlights and sound the horn to help you locate the vehicle.
When contacting the Lexus Link Call Center from the outside of the vehicle,
you need the Lexus Link PIN (Personal Identification Number). Write the PIN
down and carry it with you.
Other services
Press the button in the vehicle or call the Lexus Link Call Center at 1-
800-25-LEXUS (1-800-255-3987) (toll-fr ee), and then select the option
for Lexus Link. The services provided will depend on the service plan level.

411
4-2. Maintenance
4
Maintenance and care
GS_HV_U
December 12, 2007 3:50 pm
Vehicle interior
ItemsCheck points
Accelerator pedal• Moves smoothly (without uneven pedal effort or catching)?
Transmission “Park” 
mechanism• Can the vehicle be hold securely on an incline with the shift lever in “P”?
Brake pedal
• Moves smoothly?
• Does it have appropriate clearance and correct amount of free play?
Brakes
• Pulls to one side when applied?
• Loss of brake effectiveness?
• Spongy feeling brake pedal?
• Pedal almost touches floor?
Head restraints• Move smoothly and lock securely?
Indicators/buzzers• Function properly?
Lights• Do all the lights come on?
• Headlights aimed correctly? ( P. 4 7 1 )
Pa r k i n g b r a ke
• Moves smoothly?
• Can hold the vehicle securely on an
incline?
Seat belts
• Does the seat belt system operate smoothly?
• Are the belts undamaged?
Seats• Do the seat controls operate properly?
Steering wheel
• Moves smoothly?
• Has correct free play?
• No strange noises?

479
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_HV_U
December 27, 2007 1:38 pm
■High-intensity discharge (HID) headlights
If voltage to the high-intensity discharge bulbs is insufficient, the light may not come
on, or may go out temporarily. The high-i ntensity discharge bulbs will come on
when normal power is restored.
CAUTION
■Replacing light bulbs
●Turn off the headlights. Do not attempt to replace the bulb immediately after turn-
ing off the headlights. 
The bulbs become very hot and may cause burns.
●Do not touch the glass portion of the light bulb with bare hands. Hold the bulb by
the plastic or metal portion. 
If the bulb is scratched or dropped it may blow out or crack.
●Fully install light bulbs and any parts used to secure them. Failing to do so may
result in heat damage, fire, or water ente ring the headlight unit. This may damage
the headlights or cause condensation to build up on the lens.
●Do not attempt to take apart or repair the low beam discharge headlight bulbs,
connectors, power supply circuits, or related components. 
Doing so could result in electric shock and death or serious injury.
■High-intensity discharge (HID) headlights
●Contact your Lexus dealer before replac ing high-intensity discharge headlights
(including light bulbs).
●Do not touch the high-intensity discharge headlight’s high voltage socket when
the headlights are turned on. 
An extremely high voltage of 20000 V wi ll be discharged and could result in
death or serious injury by electric shock.
■To prevent damage or fire
Make sure bulbs are fully seated and locked.

528
5-2. Steps to take in an emergency
GS_HV_U
December 12, 2007 3:50 pm
If the hybrid system will not start
If the hybrid system will not start even though correct starting procedures
are being followed (
P. 138), consider each of the following points.
■The hybrid system will not start ev en if you are carrying the cor-
rect electronic key
One of the following may be the cause of the problem.
● The electronic key battery may be discharged. ( P. 5 3 1 )
● There may not be sufficient fuel in the vehicle’s tank. 
Add fuel to the vehicle.
● There may be a malfunction in the steering lock system.
● There may be a malfunction in the immobilizer system. 
( P. 88)
■ The interior lights and headlights are dim, or the horn does not
sound or sounds at a low volume
One of the following may be the cause of the problem.
● The 12 volt battery may be discharged. ( P. 5 3 4 )
● The 12 volt battery terminal connections may be loose or cor-
roded.
■ The interior lights and headlights do not turn on, or the horn does
not sound
One of the following may be the cause of the problem.
●One or both of the 12 volt battery terminals may be discon-
nected.
● The 12 volt battery may be discharged. ( P. 5 3 4 )
Contact your Lexus dealer if the problem cannot be repaired, or if
repair procedures are unknown.

536
5-2. Steps to take in an emergency
GS_HV_U
December 12, 2007 3:50 pm
■Starting the hybrid system when the 12 volt battery is discharged
The hybrid system cannot be started by push-starting.
■To prevent 12 volt battery discharge
●Turn off the headlights and the audio system while the hybrid system 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.
■When the 12 volt battery is removed or discharged
The hybrid system may not start. ( P. 4 3 1 )
Also, the following systems must be initialized.
●Tire pressure warning system (P. 4 3 6 )
●Intuitive parking assist (P. 5 1 2 )
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.

552
6-1. Specifications
GS_HV_U
December 12, 2007 3:50 pm
Light bulbs
A: D4S high-intensity discharge bulbs
B: HB3 halogen bulbs 
C: Wedge base bulbs (amber) 
D: Wedge base bulbs (clear) 
E: HB4 halogen bulbs 
F: Double end bulbs
Light bulbsBulb No.WTy p e
Exterior
Headlights (low beam)D4S35A
Headlights (high beam)HB360B
Front turn signal lights21C
Parking lights5D
Fog lightsHB451E
Front side marker light1945D
Rear turn signal lights21C
Back-up lights92116D
Trunk light5F
InteriorVanity lights8D

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6-2. Customization
GS_HV_U
December 12, 2007 3:50 pm
*: Vehicles sold outside Canada
ItemFunctionDefault settingCustomizedsetting
Moon roof 
(
P. 8 0 )
Linked door lock opera-
tionONOFF
Linked door key opera-
tionOpen and closeOpen only
Close only
Linked operation of com-
ponents when door key is
used
Slide onlyTilt only
Wireless remote control
linked operationONOFF
Linked operation of com-
ponents when wireless
remote control used
Slide onlyTilt only
Linked entry functionONOFF
Automatic
light control
system 
(
P. 1 5 8 )
Light sensor sensitivityLevel 3Levels 1 to 5
Ti m e e l a p s e d b e f o r e
headlights automatically
turn off after doors are
closed
30 seconds
0 seconds
60 seconds
90 seconds
Daytime running lightONOFF*