air suspension Lexus GS450h 2007 Do-it-yourself maintenance / LEXUS 2007 GS450H THROUGH JUNE 2006 PROD. OWNER'S MANUAL (OM30727U)

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2-3. Operating the lights and 
windshield wipers ................... 120
Headlight switch ............................ 120
Fog light switch .............................. 123
Windshield wipers and 
washer............................................. 124
Headlight cleaner switch ........... 126
2-4. Using other driving  systems ....................................... 127
Cruise control ................................. 127
Dynamic radar cruise 
control ............................................ 130
Intuitive parking assist ................ 139
Rear view monitor system ......... 158
AVS (Adaptive Variable 
Suspension System) .................... 161
Driving assist systems.................. 162
PCS (Pre-Collision 
System) .......................................... 167
2-5. Driving information ................... 170 Cargo and luggage ...................... 170
Vehicle load limits ......................... 173
Winter driving tips ........................ 174
Trailer towing .................................. 179
Dinghy towing ................................ 180 3-1. Using the touch screen ........... 182
Touch screen .................................. 182
Setting the touch screen ............ 185
3-2. Using the air conditioning 
system and defogger ............... 191
Automatic air conditioning 
system ............................................... 191
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 ......................... 248
DVD player and DVD video 
disc information ......................... 252
Optimal use of the audio/ 
video system................................ 256
Using the steering 
switches ......................................... 260
3Interior features

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1-8. Safety information
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Before driving
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 replace ment 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

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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 v
ehicle
(Water dripping from the air conditioning after use is normal.)
● Flat
-looking tires or uneven tire wear
●Engine coolant temper atur
e gauge needle continually points
higher than normal
■ A
udible symptoms
●Changes in e
xhaust sound
● Ex
cessive tire squeal when cornering
●Str
ange noises related to the suspension system
●P
inging or other noises related to the hybrid system
■ Oper
ational symptoms
●Engine mis
sing, stumbling or running rough
●A
ppreciable loss of power
●V
ehicle pulls heavily to one side when braking
●V
ehicle pulls heavily to one side when driving on a level road
● L
oss of brake effectiveness, sp ongy feeling, pedal almost touches
the floor

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Alphabetical index
Alphabetical index
A/C (Air conditioning system) ..........191
ABS (Anti-lock Brake System) ........ 162
Active stabilizer suspension 
system...................................................... 162
Air conditioning system (A/C) Air conditioning filter ......................... 391
Automatic air conditioning 
system ..................................................... 191
Airbags Airbag operating conditions............. 71
Airbag precautions for your 
child.......................................................... 75
Airbag warning light .......................... 431
Curtain shield airbag 
precautions .......................................... 78
General airbag precautions ........... 75
Locations of airbags............................ 69
Modification and disposal of 
airbags .................................................... 79
Side airbag precautions .................... 75
Side and curtain shield airbags 
operating conditions ........................72
SRS airbags ............................................. 69
Alarm ............................................................ 64
Antenna .................................................... 209
Armrest ..................................................... 328
Ashtrays ..................................................... 321
Audio system Antenna .................................................. 209
Cassette player..................................... 212
CD player/changer ........................... 216
DVD information ............................... 252
DVD player/changer...................... 232
DVD video/audio ............................. 235
MP3/WMA disc ............................... 224
Optimal use.......................................... 256
Radio ........................................................ 203Steering switches ..............................
260
Video CD ............................................. 248
Automatic headlight leveling 
system ...................................................... 122
Automatic light control system........ 120
AVS (Adaptive Variable 
Suspension System) ............................ 161
BA (Brake Assist)................................... 162
Back-up lights Wattage ................................................. 488
Battery 12 volt battery ........................................ 371
Checking................................................. 371
Hybrid battery (Tra cti
on battery) ....5
If the 12 volt battery is 
discharged .......................................... 471
Preparing and checking  before winter...................................... 174
Bluetooth
®..............................................266
Brake Fluid .......................................................... 370
Parking brake........................................ 109
Care Exterior .................................................... 344
Interior..................................................... 346
Seat belts ................................................ 347
Cargo capacity........................................ 170
Cargo hooks .......................................... 332
CD player/changer............................. 232
Chains ......................................................... 176
Child-protectors....................................... 27
Child restraint system (CRS) Definition .................................................. 80
Installation ................................................ 83
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