warning lights Lexus IS F 2009 User Guide

5
When trouble arises
355
08_IS F_U_(L/O_0808)
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 vehicle in a safe place and contact your Lexus
dealer.
*: Parking brake engaged warning buzzer:→ P. 3 7 0
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, but then turns off, this does not necessar-
ily indicate a malfunction in the system.

5
When trouble arises
365
5-2. Steps to take in an emergency
08_IS F_U_(L/O_0808)
If a warning message is displayed
If a warning is shown on the multi-information display, stay calm and per-
form the following actions:
Master warning light
The master warning light also
comes on or flashes in order to
indicate that a message is cur-
rently being displayed on the
multi-information display.
Multi-information display
If any of the warning lights turns on again after performing the follow-
ing actions, contact your Lexus dealer.

444
Alphabetical index
08_IS F_U_(L/O_0808)
Child-protectors ......................................38
Cigarette lighter.................................... 244
CleaningExterior ...................................................268
Interior ....................................................... 271
Seat belts.................................................272
Clock .........................................................239
Coat hooks ............................................... 251
Compass .................................................. 262
Condenser .............................................. 294
Console box ........................................... 232
Cooling system Engine overheating .......................... 397
Cornering assist sensors .................... 163
Cruise control Cruise control ...................................... 150
Dynamic radar crui se control .......153
Cup holders ............................................ 234
Curtain shield airbags............................ 78
Customizable features .......................428 Daytime running light system ............143
Defogger
Rear window .........................................198
Side mirrors............................................198
Dimension ............................................... 402
Dinghy towing..........................................187
Display Dynamic radar crui se control....... 153
Satellite switch mode....................... 240
Trip information.................................... 139
Warning message ............................ 365
Do-it-yourself maintenance .............280
Door courtesy lights Door courtesy lights ......................... 227
Wattage ................................................... 412
Door pockets ......................................... 236
Doors Door glasses............................................63
Door lock ................................ 24, 35, 37
Side mirrors............................................... 61
Driver's seat belt reminder light .....358
Driving Correct posture..................................... 76
Procedures.............................................108
Driving position memory...................... 45D

451
Alphabetical index
08_IS F_U_(L/O_0808)
Warning buzzersBrake system ....................................... 355
Open door ..........................................358
Seat belt reminder ............................358
Warning lights Anti-lock brake system .................. 356
Automatic transmission fluid temperature warning light.........358
Brake assist system .......................... 356
Brake system ....................................... 355
Charging system ............................... 356
Electric power steering warning light ..................................... 356
Low fuel level.......................................358
Malfunction indicator lamp .......... 356
Master warning light ........................358
Open door ...........................................358
Pre-collision system ......................... 356
Pretensioners ...................................... 356
Seat belt reminder light ..................358
SRS airbags .......................................... 356
Tire pressure warning
light........................................................358 Warning messages
Dynamic radar
cruise control........................367, 370
Engine oil level ....................................370
Engine oil maintenance ..................370
Engine oil pressure .......................... 366
Engine oil temperature .................. 366
Hill-start assist control .................... 369
Hood ........................................................370
Intuitive parking assist ..........367, 370
Moon roof .............................................370
Open door ............................................370
Parking brake ......................................370
Pre-collision system..............367, 370
Smart access system with push-button start ............................ 375
Steering lock......................................... 367
Tire pressure warning system....................367, 370
Traction control ................................. 369
Trunk ........................................................370
Vehicle stability control ................. 369
Washer fluid .........................................370
Washer
Checking ...............................................299
Preparing and checking before winter ..................................... 184
Switch........................................................ 146
Washing and waxing ...........................268W
*: Refer to the “Navigation System Owner’s Manual”

454
What to do if...
08_IS F_U_(L/O_0808)
A warning light or indicator
light comes onP. 3 5 5If a warning light turns on or a warning
buzzer sounds...
■Warning lights
or or
P. 3 5 5P. 3 5 6
P. 3 5 8
or
P. 3 5 6P. 3 5 8
P. 3 5 8P. 3 5 8
P. 3 5 6P. 3 5 6
P. 3 5 8P. 3 5 6
P. 3 5 6P. 3 5 8
P. 3 5 8
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
lightTire pressure warning light
Automatic transmission fluid tempera-
ture warning light