suspension Lexus GS350 2011 User Guide

507
4-3. Do-it-yourself maintenance
4
Maintenance and care
GS_G_U (OM30C11U)
October 28, 2011 5:15 pm
■Luggage compartment
(vehicles with active stab ilizer 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 after the fuse has been replaced, a bulb may
need replacement. (→P. 5 1 2 )
●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, protecting the wiring harness from damage.

530
5-1. Essential information
GS_G_U (OM30C11U)
October 28, 2011 5:15 pm
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 temperature 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 engine
■ 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
the floor

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5-2. Steps to take in an emergency
GS_G_U (OM30C11U)
October 28, 2011 5:15 pm
Wa r n i n g m e s s a g eDetails
(AWD models)
Malfunction in the AWD system.
(If equipped)
Intuitive parking assist malfunction.The malfunctioning sensor is shown flashing on the
display.
(If equipped)
Malfunction in the active stabilizer suspension sys-
tem.
(If equipped)
Malfunction in the PCS.

5
When trouble arises
565
5-2. Steps to take in an emergency
GS_G_U (OM30C11U)
October 28, 2011 5:15 pm
CAUTION
■When using the compact spare tire
●Remember that your spare tire is specifically designed for use with your vehicle.
Do not use your spare tire on another vehicle.
●Do not use two spare tires simultaneously.
●Replace the spare tire with a standard tire as soon as possible.
●Avoid sudden acceleration, deceleration and braking, as well as sharp cornering.
■Speed limit when using the compact spare tire
Do not drive at speeds in excess of 50 mph (80 km/h) when a compact spare tire is
installed on the vehicle.
The compact spare tire is not designed for driving at high speeds. Failing to observe
this precaution may lead to an accident causing death or serious injury.
■When the compact spare tire is attached
The vehicle speed may not be correctly detected, and the following systems may
not operate correctly:
●ABS
●Brake assist
●Enhanced VSC
●TRAC
●EPS
●VGRS (GS460)
●VDIM
●Cruise control (if equipped)
●Dynamic radar cruise control (if equipped)
●Navigation system (if equipped)
●Intuitive parking assist (if equipped)
●Rear view monitor system (if equipped)
●Active stabilizer suspension system (if equipped)
●AVS (if equipped)

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GS_G_U (OM30C11U)
October 28, 2011 5:15 pm
Alphabetical index
Alphabetical index
A/C ............................................................ 246
ABS.............................................................. 199
ACCESSORY mode .......................... 134
Active stabilizer suspension system...................................................... 199
Adaptive variable
suspension system ............................. 198
Air conditioning system
Air conditioning filter ....................... 479
Automatic air conditioning system .................................................. 246
Airbags
Airbag operating conditions........... 95
Airbag precautions for your child............................................... 99
Airbag warning light ........................535
Curtain shield airbag precautions .........................................102
General airbag precautions ........... 99
Locations of airbags............................ 92
Modification and disposal of airbags .................................................. 103
Proper driving posture ...................... 90
Side airbag precautions .................... 99
Side and curtain shield airbags operating conditions ....................... 95
SRS airbags ............................................. 92 Alarm............................................................ 87
Antenna .................................................... 266
Anti-lock brake system ........................199
Armrest .................................................... 402
Ashtrays.................................................... 397
Audio input.............................................. 328
Audio system
Antenna.................................................. 266
Audio input........................................... 328
AUX port .............................................. 328
Bluetooth
® audio..............................308
CD player/changer ......................... 269
DVD information ...............................297
DVD player/changer ..................... 280
DVD video/audio............................. 280
iPod ............................................................ 316
MP3/WMA disc................................276
Optimal use ..........................................326
Portable music player ..................... 328
Radio ....................................................... 260
Steering switches ...............................329
USB memory ........................................ 316
Video CD ..............................................294
Automatic headlight leveling
system ......................................................157
Automatic light control system........ 155
Automatic transmission If the shift lever cannot be
shifted from “P” ............................... 569
Mode select switch ............................ 138
S mode ..................................................... 139
AUX port................................................. 328
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