2007 Lexus GS350 suspension

421
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Driver’s side instrument panel
FuseAmpereCircuit
1FR P/SEAT LH30Power seat system
2A/C7. 5Air conditioning system
3TV7. 5Audio system, Air conditioning sys-
tem, Rear view monitor system
4TRK OPN10Trunk lid opener
5LH-B10Theft deterrent system
6S/ROOF25Moon roof
7PA N E L7. 5
Steering switch illumination, Audio
system, Glove box light, Automatic
transmission selector lever illumina-
tion, Console box light, Adaptive
variable suspension switch illumina-
tion, Cigarette lighter illumination,
Air conditioning system, VSC off
switch illumination, Driving pattern
selector switch, Seat heater or
Heated and ventilated seat switches,
Register ILL RH, Register ILL LH,
Register ILL CTR
8FUEL OPEN10Fuel filler door opener, Trunk lid
opener

424
4-3. Do-it-yourself maintenance
FuseAmpereCircuit
10ACC7. 5
Multiplex communication system,
Smart access system with push-but-
ton start, Rear view monitor system,
Audio system, Air conditioning sys-
tem, Lexus Link System ECU
11CIG15Cigarette lighter
12PWR OUTLET15Po w e r o u t l e t
13AIR SUS20Adaptive variable suspension system
14RR DOOR RH20
Rear right door control system
(Power door lock system, Door cour-
tesy light, Power window)
15FR DOOR RH20
Front right door control system
(Power door lock system, Power rear
view mirror control system, Door
courtesy light, Outside rear view mir-
ror heater, Power window), Multiplex
communication system
16AM215Starting system
17RH-IG7. 5
Seat heater switches, Front right door
control system, Rear right door con-
trol system, Capacitor, Combination
switch, Seat belt pretensioners, Intui-
tive parking assist
18FR S/HTR RH15Seat heaters and ventilators

427
4-3. Do-it-yourself maintenance
4
Maintenance and care
■Luggage compartment 
(vehicles with active stabilizer suspension system)
FuseAmpereCircuit
1STB FR50Front stabilizer
2STB RR30Rear stabilizer
3STB DC/DC30DC/DC converter
■After a fuse is replaced
●If the lights do not turn on even afte r the fuse has been replaced, a bulb may
need replacement. ( P. 4 3 8 )
●If the replaced fuse blows again, have the vehicle inspected by your Lexus
dealer.
■If there is an overload in the circuits
The fuses are designed to blow before th
e entire wiring harness is damaged.

5
When trouble arises
445
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 engine
■ 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

5
When trouble arises
457
5-2. Steps to take in an emergency
Wa r n i n g m e s s a g eDetails
Malfunction in the rear lights system.
Malfunction in the tire pressure warning system.The tire pressure warning light will blink for 1 minute
and then stay on.
(Flashing)
Malfunction in the steering lock system.
(GS430, if equipped)
Malfunction in the active stabilizer suspension sys-
tem.

532
Alphabetical index
Alphabetical index
A/C (Air conditioning system) ........190
ABS (Anti-lock Brake System) ........ 159
Active stabilizer suspension 
system...................................................... 159
Air conditioning system (A/C) Air conditioning filter ....................... 407
Automatic air conditioning 
system ................................................... 190
Airbags Airbag operating conditions........... 63
Airbag precautions for your 
child.......................................................... 67
Airbag warning light ........................ 450
Curtain shield airbag 
precautions .......................................... 70
Front passenger occupant 
classification system.......................... 72
General airbag precautions ........... 67
Locations of airbags............................ 59
Modification and disposal of 
airbags ...................................................... 71
Side airbag precautions .................... 67
Side and curtain shield airbags 
operating conditions ....................... 63
SRS airbags ............................................. 59
Alarm ............................................................ 54
Antenna ................................................... 208
Armrest ..................................................... 327
Ashtrays .................................................... 320
Audio system Antenna .................................................. 208
Cassette player....................................... 211
CD player/changer ........................... 216
DVD information ............................... 253
DVD player/changer...................... 233
DVD video/audio ............................. 236
MP3/WMA disc ............................... 224Optimal use .........................................
258
Radio ....................................................... 202
Steering switches ............................... 262
Video CD .............................................. 249
Automatic headlight leveling 
system ....................................................... 118
Automatic light control system.......... 116
AVS (Adaptive Variable 
Suspension System) .......................... 158
BA (Brake Assist).................................. 159
Back-up lights Wattage ................................................. 508
Battery Checking............................................... 387
If the vehicle battery is 
discharged .........................................492
Preparing and checking 
before winter.......................................172
Bluetooth
®..............................................265
Brake Fluid .......................................................... 386
Parking brake........................................ 105
Care Exterior ................................................... 358
Interior..................................................... 360
Seat belts ................................................. 361
Cargo capacity....................................... 168
Cargo hooks ............................................ 331
CD player/changer............................. 233
Chains ......................................................... 174
Child-protectors........................................ 18
Child restraint system (CRS)
Definition ................................................... 78
Installation .................................................. 81
A
B
C