2008 Lexus GS450h battery

353
3-5. Using the interior lights
3
Interior features
GS_HV_U
December 12, 2007 3:50 pm
Interior lights“ON”
“OFF”
“DOOR”
The interior lights are turned on/off
by the illuminated entry system.
■To prevent 12 volt battery discharge
If the interior lights, personal lights and steering spot light remain ON when the
door is not fully closed or the interior light switch in “DOOR” position, the lights will
go off automatically after 20 minutes.
■Customization that can be configured at Lexus dealer
Setting (e.g. The time elapsed before lights turn off) can be changed. 
(Customizable features
P. 5 7 3 )

364
3-7. Other interior features
GS_HV_U
December 13, 2007 10:51 am
Clock
■The clock is displayed when
The “POWER” switch is in ACCESSORY or ON mode.
■When the 12 volt battery is disconnected
The time display will automatically be set to 1:00.
■Adjust clock
With navigation system 
 “Navigation System Owner’s Manual”.
Without navigation system 
Perform the following steps.
Press .
To u c h . Adjust hours.
Adjust minutes.
Round the nearest hour.
Turn daylight saving time on.
Turn daylight saving time off.
After setting, touch .
STEP1
STEP2
STEP3

368
3-7. Other interior features
GS_HV_U
December 13, 2007 10:51 am
Power outlet
■The power outlet can be used when
The “POWER” switch is in ACCESSORY or ON mode.
NOTICE
■To avoid damaging the power outlet
Close the power outlet lid when not in use. 
Foreign objects or liquids that enter th e power outlet may cause a short circuit.
■To prevent the fuse from being blown
Do not use an accessory that uses more than 12V/10A.
■To prevent 12 volt battery discharge
Do not use the power outlet longer than necessary when the hybrid system is off.
The power outlet can be used for 12V accessories that run on less than
10A.

370
3-7. Other interior features
GS_HV_U
December 13, 2007 10:51 am
CAUTION
■Burns
●Use caution when seating the following persons in a seat with the seat heater on
to avoid the possibility of burns:
• Babies, small children, the elderly, the sick and the disabled
• Persons with sensitive skin
• Persons who are fatigued
• Persons who have taken alcohol or drug s that induce sleep (sleeping drugs,
cold remedies, etc.)
●Do not cover the seat with anything when using the seat heater. 
Using the seat heater with a blanket or cushion increases the temperature of the
seat and may lead to overheating.
NOTICE
■To prevent damage to the seat heaters/ventilators
Do not put heavy objects on the seat and do not stick sharp objects (needles, nails,
etc.) into the seat.
■To prevent 12 volt battery discharge
Turn the switches off when the hybrid system is off.

373
3-7. Other interior features
3
Interior features
GS_HV_U
December 13, 2007 10:51 am
CAUTION
■When the rear sunshade is being raised or lowered
Do not place fingers or other objects in the fastener section or in the opening.
They may get caught, causing injury.
NOTICE
■To prevent 12 volt battery discharge
Do not operate the rear sunshade when the hybrid system is off.
■To ensure normal operation of the sunshade
Observe the following precautions.
●Do not place excessive load on the motor or other components.
●Do not place objects where they may hi nder opening and closing operations.
●Do not attach items to the rear sunshade.
●Keep the opening clean and clear of obstructions.
●Do not operate the rear sunshade continuously over long periods of time.

381
3-7. Other interior features
3
Interior features
GS_HV_U
December 13, 2007 10:51 am
Operating the HomeLink
Press the appropriate HomeLink button. The HomeLink indicator
light on the HomeLink transceiver should turn on.
The HomeLink continues to send a signal for up to 20 seconds as long as
the button is pressed.
Erasing the entire HomeLink memory (all three programs)
Press and hold the 2 outside but-
tons for 20 seconds until the indi-
cator light flashes.
If you sell your vehicle, be sure to
erase the programs stored in the
HomeLink
 memory.
■Before programming
●Install a new battery in the transmitter.
●The battery side of the transmitter must be pointed away from the HomeLink.
■Certification for the garage door opener
This device complies with Part 15 of the FCC Rules and with RSS-210 of the IC
Rules. 
Operation is subject to the following 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.
WARNING: This transmitter has been tested and complies with FCC and IC rules.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the device.

385
3-7. Other interior features
3
Interior features
GS_HV_U
December 13, 2007 10:51 am
Wait a few seconds until the compass direction is displayed.
The calibration is complete.
■Circling calibration
If “CAL” appears on the display,
drive the vehicle at 5 mph (8 km/
h) or less in a circle until a direction
is displayed.
If there is not enough space to
drive in a circle, drive around the
block until the direction is dis-
played.
STEP4
■Conditions unfavorable to correct operation
The compass may not show the correct direction in the following conditions:
●The vehicle is stopped immediately after turning.
●The vehicle is on an inclined surface.
●The vehicle is in a place where the earth’s magnetic field is subject to interfer-
ence by artificial magnetic fields (underground car park/parking lot, under a
steel tower, between buildings, roof car pa rk/parking lot, near an intersection,
near a large vehicle, etc.).
●The vehicle has become magnetized. 
(There is a magnet or metal object near the inside rear view mirror.)
●The 12 volt battery has been disconnected.
●A door is open.

Maintenance and care4
401
GS_HV_U
December 12, 2007 3:30 pm
4-1. Maintenance and 
care ............................... 402
Cleaning and protecting 
the vehicle exterior............ 402
Cleaning and protecting 
the vehicle interior ............. 405 4-2. Maintenance .................. 408
Maintenance 
requirements........................ 408
General maintenance ........... 410
Emission inspection and 
maintenance (I/M) 
programs ................................ 413
4-3. Do-it-yourself 
maintenance ................. 414
Do-it-yourself service 
precautions ............................ 414
Hood ............................................ 417
Positioning a floor jack .......... 418
Engine compartment ........... 420
Tires............................................ 435
Tire inflation pressure........... 445
Wheels ...................................... 449
Air conditioning filter ............ 451
Electronic key battery.......... 454
Checking and replacing 
fuses ........................................ 456
Headlight aim ........................... 471
Light bulbs ................................. 474