warning lights Lexus IS250 2008 Using the air conditioning system and defogger / LEXUS 2008 IS250 (OM53699U) User Guide

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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. Continuing to drive the vehicle may be dangerous.
The following warning indicates a possible problem in the brake system.
Immediately stop the vehi cle in a safe place and contact your Lexus
dealer.
*: Parking brake engaged warning buzzer:
 P. 3 7 3
Warning lightWarning light/Details
(U.S.A.)

(Canada)
Brake system warning light (warning buzzer)*
•Low brake fluid
• Malfunction in the brake booster 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.
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.

452
Alphabetical index
CleaningExterior ....................................................274
Interior ......................................................277
Seat belts................................................ 278
Clock ......................................................... 244
Coat hooks ..............................................259
Compass .................................................. 269
Condenser ............................................... 301
Console box ........................................... 237
Cooling system Engine overheating ......................... 400
Cornering assist sensors .................... 164
Cruise control Cruise control .......................................152
Dynamic radar cruise control ...... 155
Cup holder ..............................................239
Curtain shield airbags............................ 79
Customizable features ....................... 436 Daytime running light system ............144
Defogger
Rear window ....................................... 200
Side mirror............................................ 200
Dimension ............................................... 406
Dinghy towing............................... 188, 189
Display Dynamic radar cruise control ....... 155
Satellite switch mode....................... 245
Trip information.................................... 140
Warning message ............................ 369
Do-it-yourself maintenance ............. 286
Door courtesy lights Door courtesy lights .......................... 231
Wattage ................................................. 420
Door pockets ...........................................241
Doors Door glasses............................................64
Door lock .................................22, 34, 37
Side mirrors............................................... 61
Driver's seat belt reminder light ..... 362
Driving Correct posture..................................... 77
Procedures.............................................108
Driving position memory...................... 46D

460
Alphabetical index
Vanity lightsVanity lights .......................................... 243
Wattage.................................................. 420
Vanity mirrors ........................................ 243
VDIM .......................................................... 170
Vehicle dynamics integrated management ........................................ 170
Vehicle identification number ......... 407
Vehicle stability control....................... 170
Ventilators ...............................................253
VSC ............................................................. 170
Warning buzzers Brake system .......................................360
Open door .......................................... 362
Seat belt reminder............................. 362
Warning lights Anti-lock brake system.....................361
Brake assist system.............................361
Brake system .......................................360
Charging system .................................361
Electric power steering warning light .......................................361
Low fuel level ....................................... 362
Malfunction indicator lamp.............361
Master warning light ........................ 362
Open door ........................................... 362
Pre-collision system ...........................361
Pretensioners.........................................361
Seat belt reminder light .................. 362
SRS airbags ............................................361
Tire pressure warning light ........................................................ 362 Warning messages
AWD system....................................... 370
Dynamic radar cruise control ....................... 370, 373
Engine oil level.....................................373
Engine oil maintenance...................373
Engine oil pressure........................... 369
Hill-start assist control ..................... 372
Hood ........................................................373
Intuitive parking assist ......... 370, 373
Moon roof..............................................373
Open door ............................................373
Parking brake.......................................373
Pre-collision system............. 370, 373
Smart access system with push-button start ........................... 378
Steering lock........................................ 370
Tire pressure warning system................... 370, 373
Traction control................................... 372
Trunk.........................................................373
Vehicle stability control................... 372
Washer fluid .........................................373
Washer Checking............................................... 305
Preparing and checking before winter...................................... 183
Switch ........................................................ 147
Washing and waxing............................274
Weight Cargo capacity .................................... 179
Load limits............................................... 182
Weight .................................................... 406V
W

463
What to do if...
The warning light or indicator
light comes onP. 3 6 0If a warning light turns on or a warning
buzzer sounds...
■Warning lights
or or
P. 3 6 0P. 3 6 1
P. 3 6 2
or
P. 3 6 1P. 3 6 2
P. 3 6 2P. 3 6 2
P. 3 6 1P. 3 6 1
P. 3 6 2P. 3 6 1
P. 3 6 1P. 3 6 2
Brake system warning lightMalfunction indicator lamp
“ABS” warning lightDriver’s seat belt reminder
light
Front passenger’s seat belt
reminder light
Low fuel level warning lightMaster warning light
SRS warning lightElectric power steering warning
light
Open door warning lightPre-collision system warn-
ing light
Charging system warning
lightLow tire pressure warning
light
The warning message is dis-
playedP. 3 6 9If the warning message is displayed