2010 Lexus IS250 p. 471

TABLE OF CONTENTSIndex
IS350/250_U
6
5-1. Essential informationEmergency flashers.................... 460
If your vehicle needs to be towed ........................................ 461
If you think something is wrong ......................................... 467
Fuel pump shut off system ....... 468
Event data recorder .................... 469
5-2. Steps to take in an emergency If a warning light turns on or a warning buzzer
sounds... ......................................... 471
If a warning message is displayed ...................................... 480
If you have a flat tire..................... 492
If the engine will not start ........... 501
If the shift lever cannot be shifted from P ............................. 503
If you lose your keys ................... 504
If the electronic key does not operate properly .............. 505
If the vehicle battery is discharged .................................. 509
If your vehicle overheats ............ 512
If the vehicle becomes stuck................................................. 515 6-1. Specifications
Maintenance data (fuel, oil level, etc.)...................... 518
Fuel information ............................ 534
Tire information............................. 537
6-2. Customization Customizable features............... 549
6-3. Initialization Items to initialize .......................... 555
Reporting safety defects for U.S. owners.......................... 558
Seat belt instructions for Canadian owners
(in French) ................................... 559
Abbreviation list ................................... 562
Alphabetical index .............................. 564
What to do if... ....................................... 574
5When trouble arises6Vehicle specifications
7For owners
Index

When trouble arises5
459
IS350/250_U
5-1. Essential informationEmergency flashers............... 460
If your vehicle needs to be towed.................................. 461
If you think something is wrong .................................. 467
Fuel pump shut off system ..................................... 468
Event data recorder .............. 469 5-2. Steps to take in an
emergency
If a warning light turns on or a warning buzzer
sounds... ................................... 471
If a warning message is displayed................................ 480
If you have a flat tire............... 492
If the engine will not start ..... 501
If the shift lever cannot be shifted from P ....................... 503
If you lose your keys .............. 504
If the electronic key does not operate properly.......... 505
If the vehicle battery is discharged ............................ 509
If your vehicle overheats ...... 512
If the vehicle becomes stuck......................................... 515

5
When trouble arises
471
IS350/250_U
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. 4 8 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, but then turns off, this does not necessar-
ily indicate a malfunction in the system.

566
Alphabetical index
IS350/250_U
Cruise controlCruise control ....................................... 175
Dynamic radar crui se control ....... 179
Cup holder ..............................................336
Curtain shield airbags............................ 93
Customizable features .......................549
Daytime running light system ........... 166
Defogger Rear window........................................ 228
Side mirror ............................................ 228
Dimension ................................................. 518
Dinghy towing ............................... 215, 216
Display
Dynamic radar crui se control ....... 179
Satellite switch mode ....................... 342
Trip information ..................................... 161
Warning message............................ 480
Do-it-yourself maintenance .............394
Door courtesy lights Door courtesy lights......................... 329
Wattage.................................................. 533
Door pockets......................................... 338
Doors Door lock................................ 28, 40, 43
Door windows ....................................... 76
Side mirrors ..............................................73
Driver's seat belt reminder light ..... 473
Driving Correct posture ...................................... 91
Procedures ............................................. 124
Driving position memory ......................53 Electric power steering........................196
Electronic key
If the electronic key does not operate properly............................505
Emergency, in case of If the engine will not start .................501
If the shift lever cannot be shifted from P................................... 503
If the vehicle has a discharged battery .................................................509
If the warning buzzer sounds........ 471
If the warning light turns on............ 471
If a warning message is displayed ............................................ 480
If you have a flat tire .........................492
If you lose your keys ........................ 504
If you think something is wrong ...................................................467
If the electronic key does not operate properly............................505
If your vehicle becomes stuck ...... 515
If your vehicle needs to be towed ..................................................... 461
If your vehicle overheats.................. 512
Emergency flashers Switch...................................................... 460
Engine Compartment ..................................... 400
Engine switch ........................................ 134
Hood ........................................................397
How to start the engine ................... 134
Identification number ........................ 519
If the engine will not start .................501
Ignition switch ....................................... 134
Overheating .......................................... 512
D
E

573
Alphabetical index
IS350/250_U
Warning buzzersBrake system ......................................... 471
Open door ...........................................473
Seat belt reminder .............................473
Warning lights Anti-lock brake system ...................472
Brake assist system ...........................472
Brake system ......................................... 471
Charging system ................................472
Electric power steering
warning light ......................................472
Low fuel level........................................473
Malfunction indicator lamp ...........472
Master warning light .........................473
Open door ............................................473
Pre-collision system ..........................472
Pretensioners .......................................472
Seat belt reminder light ...................473
SRS airbags ...........................................472
Tire pressure warning
light.........................................................473
Warning messages
AWD system .........................................481
Dynamic radar cruise control ........................ 481, 483
Engine oil level .................................... 483
Engine oil maintenance.................. 483
Engine oil pressure...........................480
Hood ....................................................... 483
Intuitive parking assist .......... 481, 483
Moon roof............................................. 483
Open door ........................................... 483
Parking brake ...................................... 483
Pre-collision system .............. 481, 483 Smart access system with
push-button start ........................... 488
Steering lock.......................................... 481
Tire pressure warning system.....................481, 483
Trunk ....................................................... 483
Washer fluid ........................................ 483
Washer
Checking ................................................ 413
Preparing and checking before winter ..................................... 210
Switch........................................................ 169
Washing and waxing ...........................382
Weight Cargo capacity .................................. 206
Load limits ............................................ 209
Weight...................................................... 518
Wheels ...................................................... 429
Window glasses ...................................... 76
Window lock switch ............................... 76
Windows Power windows ..................................... 76
Rear window defogger...................228
Washer .................................................... 169
Windshield wipers................................. 169
Windshield wiper de-icer.................. 229
Wireless remote control key Replacing the battery.......................434
WMA disc ...............................................248W