warning lights Lexus GS350 2009 User Guide

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When trouble arises
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5-2. Steps to take in an emergency
If a warning light turns on or a warning buzzer sounds...
Stop the vehicle immediately. Continui ng to drive the vehicle may be
dangerous.
The following warning in dicates a possible problem in the brake system.
Immediately stop the vehi cle in a safe place and contact your Lexus
dealer.
*1: Parking brake engaged warning buzzer:
→ P. 5 2 2
Stop the vehicle immediately.
The following warning indicates the po ssibility of damage to the vehicle
that may lead to an ac cident. Immediately stop the vehicle in a safe place
and contact your Lexus dealer.
Warning lightWarning light/Details
(U.S.A.)

(Canada)
Brake system warning light (warning buzzer) *1
•Low brake fluid
• Malfunction in the brake system
This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is fully
released, the system is operating normally.
Warning lightWarning light/Details
Charging system warning lightMalfunction in the vehicle’s charging system.
Calmly perform the following actions if any of the warning lights turn on or
flash. If a light turns on or flashes, bu t then turns off, this does not necessar-
ily indicate a malfunction in the system.
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5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
■Front passenger detection sensor and passenger seat belt reminder
●If luggage is placed on the front passenger seat, the front passenger detection
sensor may cause the warning light to flash, even if a passenger is not sitting in
the seat.
●If a cushion is placed on the seat, the sensor may not detect a passenger, and the
warning light may not operate properly.
■SRS warning light
This warning light system monitors the following:
●The airbag sensor assembly
●Front airbag sensors
●The curtain shield and rear side airbag sensors
●The side and curtain shield airbag sensors
●The front passenger occupant classification ECU
●“AIR BAG ON” and “AIR BAG OFF” indicator lights
●The pressure sensor
●The belt tension sensor
●The seat belt buckle switches
●The driver’s seat position sensor
●The inflators
●The warning light
●The interconnecting wiring and power sources
■When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Pushing the tire
pressure warning reset switch does not turn off the tire pressure warning light.
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5-2. Steps to take in an emergency
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
Have the vehicle inspected immediately.A buzzer sounds and a warning message is shown on the multi-informa-
tion display. Failure to investigate the cause of the following warnings may
lead to the system operating abnormally and possibly cause an accident.
Have the vehicle inspected by your Lexus dealer immediately.
Wa r n i n g m e s s a g eDetails
Malfunction in the automatic headlight leveling sys-
tem.
Malfunction in the rear lights system.
(Flashing)
Malfunction in the steering lock system.
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Alphabetical index
Alphabetical index
A/C ............................................................235
ABS............................................................ 200
ACCESSORY mode .......................... 134
Active stabilizer suspension system.................................................... 200
Adaptive variable suspension system ............................. 199
Air conditioning system Air conditioning filter .......................455
Automatic air conditioning system .................................................. 235
Airbags Airbag operating conditions........... 94
Airbag precautions for your child............................................... 98
Airbag warning light ....................... 508
Curtain shield airbag precautions .......................................... 101
General airbag precautions ........... 98
Locations of airbags.............................. 91
Modification and disposal of airbags ...................................................102
Proper driving posture ...................... 89
Side airbag precautions .................... 98
Side and curtain shield airbags operating conditions ....................... 94
SRS airbags ............................................... 91
Alarm ............................................................86
Antenna .................................................... 254
Anti-lock brake system ..................... 200
Armrest ..................................................... 375
Ashtrays ....................................................370
Audio input ..............................................306 Audio system
Antenna.................................................. 254
Audio input........................................... 306
Cassette player ...................................257
CD player/changer ........................... 261
DVD information .............................. 289
DVD player/changer ......................270
DVD video/audio.............................. 273
MP3/WMA disc............................... 266
Optimal use ........................................... 301
Portable music player ..................... 306
Radio ....................................................... 248
Steering switches .............................. 307
Video CD ............................................. 285
Automatic headlight leveling system ...................................................... 157
Automatic light control system........ 155
Automatic transmission If the shift lever cannot be shifted from “P” ............................... 543
Mode select switch ............................ 138
S mode ..................................................... 139
Back-up lights Wattage ..................................................572
Battery 12 volt battery .......................................434
Checking................................................434
If the 12 volt battery is discharged ........................................ 548
Preparing and checking before winter.......................................217
Bluetooth
®............................................... 315
A
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Alphabetical index
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BrakeFluid .......................................................... 433
Parking brake ........................................ 143
Brake assist ............................................. 200
Care Exterior ................................................... 406
Interior..................................................... 409
Seat belts .................................................410
Cargo capacity ....................................... 212
Cargo hooks ...........................................379
CD player/changer .............................. 261
Chains......................................................... 218
Child-protectors ......................................45
Child restraint system Definition..................................................109
Installation..................................................113
Installing CRS with lower anchors ................................................... 114
Installing CRS with seatbelts ...........116
Installing CRS with top straps .........119
Child safety Airbag precautions ............................. 98
Battery precautions ............... 436, 551
Child restraint system .......................109
Child-protectors................................... 45
How your child should wear the seatbelt ............................................67
Installing child restraints .....................113
Moon roof precautions ..................... 80
Power window lock switch ..............75
Power window precautions.............75
Removed electronic key battery precautions ....................................... 459
Seat belt comfort guide..................... 65
Seat belt precautions.......................... 68 Seat heater precautions................. 374
Trunk precautions...................................51
Cigarette lighter......................................371
Cleaning Exterior................................................... 406
Interior .................................................... 409
Seat belts ................................................. 410
Clock .........................................................368
Coin holder ............................................. 364
Compass ................................................. 388
Condenser .............................................. 432
Console box ............................................ 361
Cooling system Engine overheating...........................552
Cruise control Cruise control....................................... 165
Dynamic radar cruise control....... 169
Cup holders ............................................ 364
Curtain shield airbags............................. 91
Customizable features ...................... 589
Daytime running light system ........... 156
Defogger Rear window ........................................ 243
Side mirror............................................. 243
Dimension............................................... 558
Dinghy towing ........................................ 223
Display Multi-information display ................ 152
Touch screen ....................................... 226
Trip information ................................... 153
Warning message .............................. 516
Do-it-yourself maintenance .............. 418
Door courtesy lights ............................356
Door pocket............................................365
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April 27, 2009 10:48 am
DoorsDoor lock...................................29, 41, 44
Rear door child protector ................ 45
Driver’s seat belt reminder light .... 509
Driver’s seat position memory ........... 56
Driving Correct posture .................................... 89
Procedures ............................................. 124
DVD player/changer.......................... 270
Electric power steering ..................... 200
Electronic key If the electronic key does not operate properly ....................545
Replacing battery ..............................458
Emergency, in case of If a warning light turns on ..............507
If a warning message is displayed ............................................. 516
If the electronic key does not operate properly ....................545
If the engine will not start........................................................ 542
If the shift lever cannot be shifted from “P”................................ 543
If the 12 volt battery is discharged .......................................548
If you have a flat tire ................ 531, 541
If you lose your keys......................... 544
If you think something is wrong ...................................................503
If your vehicle becomes stuck.... 555
If your vehicle needs to be towed ................................................... 496
If your vehicle overheats ................ 552 Engine
ACCESSORY mode....................... 134
Compartment ......................................424
Engine (ignition) switch.................... 133
Hood ......................................................... 421
How to start the engine ................... 133
If the engine will not start ............... 542
Overheating ........................................ 552
Engine compartment cover ............. 426
Engine coolant temperature gauge .......................................................145
Engine coolant Capacity ................................................ 566
Checking................................................. 431
Preparing and checking before winter.......................................217
Engine oil Capacity ................................................ 562
Checking................................................ 427
Preparing and checking before winter.......................................217
Engine oil maintenance data ........... 429
Engine (ignition) switch........................133
Enhanced vehicle stability control....................................................200
Event data recorder ............................505
First-aid kit storage belt ..................... 379
Floor mats ................................................ 378
Fluid Brake ....................................................... 433
Washer....................................................437
Fog lights Switch ........................................................158
Wattage ..................................................572
Foot light .................................................. 356
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Smart access system with push-button start Antenna location..................................... 31
Entry function.......................................... 29
Starting the engine ..............................133
Spare tire Inflation pressure................................570
Storage location ................................. 532
Spark plug ................................................566
Specifications ........................................ 558
Speedometer........................................... 145
Steering wheel Adjustment................................................. 71
Audio switches ................................... 307
Steering wheel position memory.................................................. 56
Storage compartment ........................363
Storage feature......................................359
Stuck If your vehicle becomes stuck.... 555
Sun visors .................................................366
Switch “ENGINE START STOP” switch .....................................................133
Fog light switch .................................... 158
Ignition switch........................................133
Light switches ....................................... 155
Mode select switch............................ 138
Power door lock switch .................... 44
Power window switch ........................ 75
Tire pressure warning reset switch ....................................... 439
Tire pressure warning select switch..................... 441
Window lock switch ........................... 75
Wipers and washer switch ............ 159 Tachometer ..............................................145
Tail lights
Switch ........................................................ 155
Theft deterrent system Alarm.......................................................... 86
Immobilizer system ............................. 84
Theft prevention labels..........................88
Tire inflation pressure ......................... 570
Tire information Glossary ................................................ 582
Size ........................................................... 579
Tire identification number ............. 578
Uniform Tire Quality Grading ...580
Tires Chains....................................................... 218
Checking............................................... 438
Compact spare tire.......................... 532
If you have a flat tire ................ 531, 541
Inflation pressure ............................... 570
Information ........................................... 576
Replacing ................................................ 531
Rotating tires........................................ 438
Size ........................................................... 570
Snow tires.............................................. 220
Tire pressure warning system..... 438
Tools............................................................ 531
Total load capacity .................................216
Touch screen.......................................... 226
Towing Dinghy towing .....................................223
Emergency towing ............................497
Trailer towing ....................................... 222
Traction control.....................................200
Trip meter ..................................................145T
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TrunkOpener.......................................................49
Trunk light ................................................ 50
Wattage ..................................................572
Turn signal lights Replacing light bulbs .......................488
Switch ........................................................ 142
Wattage ..................................................572
Vanity lights Vanity lights .......................................... 367
Wattage ..................................................572
Vanity mirrors.........................................367
Variable gear ratio steering .............. 201
Vehicle dynamics integrated managem ent .................. 201
Vehicle identification number ........ 559
Vehicle load limits.................................. 216
Ventilators................................................373
Warning buzzers Brake system ....................................... 507
Downshifting..........................................140
Open door ..........................................509
Seat belt reminder ............................509
Warning lights Anti-lock brake system ................. 508
Brake system ....................................... 507
Charging system ............................... 507
Electric power steering warning light .................................... 508
Electronically controlled brake system............ 508
Low fuel level.......................................509
Malfunction indicator lamp ......... 508
Master warning light ......................... 510 Open door ........................................... 509
Pre-collision system.........................508
Seat belt reminder light.................. 509
SRS airbags..........................................508
Tire pressure warning light .......... 509
Warning messages Anti-lock brake system .................. 508
Brake assist ..........................................508
Charging system............................... 507
Dynamic radar cruise control..................................... 519
Engine oil level ....................................523
Engine oil maintenance ..................523
Engine oil pressure ............................ 516
Headlight..................................................517
Hood ......................................................... 521
Intuitive parking assist ...............................518, 524, 526
Moon roof ............................................. 522
Open door ............................................. 521
Parking brake ...................................... 522
Pre-collision system...............518, 524
Rear lights system ................................517
Smart access system with push-button start ............................ 527
Steering lock................. 508, 517, 529
Trunk ........................................................ 522
VGRS ..................................................... 520
Washer fluid .........................................523
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What to do if...
GS_G_U (OM30B43U)
April 27, 2009 10:48 am
The warning light or indicator
light comes onP. 5 0 7If a warning light turns on or a warning
buzzer sounds...
■Warning lights
or orv
P. 5 0 7P. 5 0 8
P. 5 0 9
or
P. 5 0 8P. 5 0 9
P. 5 0 8P. 5 0 9
P. 5 0 9P. 5 0 8
P. 5 0 8P. 5 0 8
P. 5 0 9P. 5 0 8
P. 5 0 7P. 5 1 0
*: Electronically Controlled Brake
System
Brake system warning lightMalfunction indicator lamp
ABS warning lightDriver’s seat belt reminder
light
Front passenger’s seat belt
reminder light
ECB* warning lightTire pressure warning light
Low fuel level warning lightElectric power steering
warning light
SRS warning lightPre-collision system warn-
ing light
Open door warning lightSlip indicator
Charging system warning
lightMaster warning light
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