air suspension Lexus GS450h 2007 Do-it-yourself maintenance / LEXUS 2007 GS450H FROM JULY 2006 PROD. OWNER'S MANUAL (OM30A05U)

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2-3. Operating the lights and 
windshield wipers .................... 122
Headlight switch ............................ 122
Fog light switch .............................. 125
Windshield wipers and 
washer............................................. 126
Headlight cleaner switch ........... 128
2-4. Using other driving 
systems ....................................... 129
Cruise control ................................ 129
Dynamic radar cruise 
control............................................. 132
Intuitive parking assist ................... 141
Rear view monitor system ......... 160
AVS (Adaptive Variable 
Suspension System) .................. 163
Driving assist systems.................. 164
PCS (Pre-Collision 
System) ........................................... 169
2-5. Driving information ................... 172 Cargo and luggage ....................... 172
Vehicle load limits ......................... 175
Winter driving tips ........................ 176
Trailer towing ................................... 181
Dinghy towing ................................ 182 3-1. Using the touch screen ........... 184
Touch screen .................................. 184
Setting the touch screen ............ 187
3-2. Using the air conditioning 
system and defogger ............. 192
Automatic air conditioning 
system ............................................. 192
Rear window and outside rear 
view mirror defoggers.................. 199
3-3. Using the audio system........... 200 Audio system type ...................... 200
Using the radio.............................. 203
Using the cassette player .......... 212
Using the CD player.................... 216
Playing MP3 and WMA 
discs ................................................ 224
Using the DVD player ............... 232
Playing DVD video/audio........ 235
Playing video CD ......................... 247
DVD player and DVD video 
disc information .......................... 251
Optimal use of the audio/ 
video system................................ 255
Using the steering switches ..... 259
3Interior features

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1-8. Safety information
CAUTION
■Modification and disposal of SRS airbag system components
Do not dispose of your vehicle or perform any of the following modifications with-
out consulting your Lexus dealer. The SRS airbag may malfunction or deploy
(inflate) accidentally, causing death or serious injury.
●Installation, removal, disassembly and repair of the SRS airbags
●Repairs, modifications, removal or replac ement of the steering wheel, instrument
panel, dashboard, seats or seat upholstery, front, side and rear pillars or roof side
rail
●Repairs or modifications of the front fender , front bumper, or side of the occupant
compartment
●Installation of snow plows, winches, etc. to the front grille (bull bars, kangaroo bar
etc.)
●Modifications to the vehi cle's suspension system
●Installation of electronic devices such as mobile two-way radios or CD players
●Modifications to your vehicle for a person with a physical disability

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When trouble arises
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5-1. Essential information
If you think something is wrong
If you notice any of the following symptoms, your vehicle probably needs
adjustment or repair. Contact your Lexus dealer as soon as possible.
■ Visible symptoms
●Fluid leaks under the vehicle 
(Water dripping from the air conditioning after use is normal.)
● Flat-looking tires or uneven tire wear
● Engine coolant temper ature gauge needle continually points
higher than normal
■ Audible symptoms
●Changes in exhaust sound
● Excessive tire squeal when cornering
● Strange noises related to the suspension system
● Pinging or other noises related to the hybrid system
■ Operational symptoms
●Engine missing, stumbling or running rough
● Appreciable loss of power
● Vehicle pulls heavily to one side when braking
● Vehicle pulls heavily to one side when driving on a level road
● Loss of brake effectiveness, sp ongy feeling, pedal almost touches
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Alphabetical index
Alphabetical index
A/C (Air conditioning system) ........ 192
ABS (Anti-lock Brake System) ........ 164
Active stabilizer suspension 
system...................................................... 164
Air conditioning system (A/C) Air conditioning filter .......................399
Automatic air conditioning 
system .................................................... 192
Airbags Airbag operating conditions........... 69
Airbag precautions for your 
child...........................................................72
Airbag warning light ........................ 439
Curtain shield airbag 
precautions .......................................... 75
General airbag precautions ............72
Locations of airbags............................ 66
Modification and disposal of 
airbags .................................................... 76
Side airbag precautions .....................72
Side and curtain shield airbags 
operating conditions ....................... 69
SRS airbags ............................................. 66
Alarm ............................................................. 61
Antenna ....................................................209
Armrest .....................................................323
Ashtrays ..................................................... 316
Audio system Antenna ..................................................209
Cassette player..................................... 212
CD player/changer ........................... 216
DVD information ................................. 251
DVD player/changer...................... 232
DVD video/audio ............................. 235
MP3/WMA disc ............................... 224
Optimal use.......................................... 255
Radio ........................................................ 203 Steering switches .............................. 259
Video CD .............................................. 247
Automatic headlight leveling 
system ...................................................... 124
Automatic light control system......... 122
AVS (Adaptive Variable 
Suspension System) ...........................163
BA (Brake Assist)...................................164
Back-up lights Wattage ................................................. 494
Battery 12 volt battery .......................................379
Checking................................................379
Hybrid battery (Tra ction battery) .... 5
If the 12 volt battery is 
discharged .........................................476
Preparing and checking 
before winter...................................... 176
Bluetooth
®.............................................. 263
Brake Fluid .......................................................... 378
Parking brake............................................111
Care Exterior ................................................... 352
Interior..................................................... 354
Seat belts ............................................... 355
Cargo capacity........................................ 172
Cargo hooks .......................................... 327
CD player/changer............................. 232
Chains ......................................................... 177
Child-protectors...................................... 26
Child restraint system (CRS)
Definition ...................................................82
Installation ................................................ 85
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