Page 2 of 578
TABLE OF CONTENTS
IS350/250_U
1
1Before drivingAdjusting and operating features such as door locks, mir-
rors, and steering column.
2When drivingDriving, stopping and safe-driving information.
3Interior featuresAir conditioning and audio systems, as well as other interior
features for a comfortable driving experience.
4Maintenance
and careCleaning and protecting your vehicle, performing do-it-your-
self maintenance, and maintenance information.
5When trouble
arisesWhat to do if the vehicle needs to be towed, gets a flat tire,
or is involved in an accident.
6Ve h i c l e
specificationsDetailed vehicle information.
7For ownersReporting safety defects for U.S. owners and seat belt in-
structions for Canadian owners
IndexAlphabetical listing of information contained in this manual.
Page 3 of 578

TABLE OF CONTENTSIndex
IS350/250_U
2
1-1. Key informationKeys ...................................................... 24
1-2. Opening, closing and locking the doors and trunk
Smart access system with push-button start .......................... 28
Wireless remote control .............. 40
Doors.................................................... 43
Trunk..................................................... 47
1-3. Adjustable components (seats, mirrors,
steering wheel)
Front seats ........................................... 51
Driving position memory (driver’s seat) ................................. 53
Seat position memory (front passenger’s seat) ............. 57
Head restraints................................. 59
Seat belts ............................................ 62
Steering wheel (manually adjustable type)............................. 69
Steering wheel (power-adjustable type)............ 70
Anti-glare inside rear view mirror ................................................ 72
Outside rear view mirrors ........... 73 1-4. Opening and closing the
windows and moon roof
Power windows................................ 76
Moon roof .......................................... 79
1-5. Refueling Opening the fuel tank cap........... 83
1-6. Theft deterrent system Engine immobilizer system ......... 86
Alarm................................................... 88
Theft prevention labels (U.S.A.) ............................................. 90
1-7. Safety information Correct driving posture ................ 91
SRS airbags ....................................... 93
Front passenger occupant classification system .................. 104
Child restraint systems ............... 109
Installing child restraints ............... 113
1Before driving
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1
2
3
4
5
6
7
IS350/250_U
5
3-6. Using the storage featuresList of storage features............... 333
• Glove box .................................... 333
• Console boxes ........................... 334
• Overhead console .................. 335
• Cup holders................................. 336
•Bottle holders/door pockets .............................. 338
3-7. Other interior features Sun visors......................................... 339
Vanity mirrors............................... 340
Clock .................................................. 341
Satellite switches .......................... 342
Ashtrays ........................................... 345
Cigarette lighter ........................... 346
Power outlet ................................... 347
Seat heaters................................... 348
Seat heaters and ventilators ...................................... 351
Armrest ............................................ 354
Rear sunshade .............................. 355
Trunk storage extension ........... 357
Coat hooks .................................... 358
Floor mat.......................................... 359
Trunk features............................... 360
Garage door opener.................. 363
Compass.......................................... 369
Safety Connect ............................. 373 4-1. Maintenance and care
Cleaning and protecting the vehicle exterior................... 382
Cleaning and protecting the vehicle interior ................... 385
4-2. Maintenance Maintenance requirements.............................. 388
General maintenance ............... 390
Emission inspection and maintenance (I/M)
programs ...................................... 393
4-3. Do-it-yourself maintenance Do-it-yourself service precautions .................................. 394
Hood ................................................. 397
Positioning a floor jack.............. 398
Engine compartment................. 400
Tires .................................................... 414
Tire inflation pressure................. 425
Wheels ............................................. 429
Air conditioning filter................... 431
Electronic key battery ................ 434
Checking and replacing fuses ................................................ 436
Headlight aim ............................... 450
Light bulbs....................................... 452
4Maintenance and care
Page 10 of 578
IS350/250_U
9
∗: If equipped
Tires
●Rotation
● Replacement
● Inflation pressure
● Information
P. 414
P. 492
P. 528
P. 537
Tail lights P. 165
Side marker lights P. 165
Trunk P. 47
Rear window defogger P. 228
Doors P. 43
Fuel filler door P. 83
Turn signal lights P. 147
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IS350/250_U
10
A
Power window
switches
P. 76
Pictorial indexInterior
Seat belts P. 62
SRS front passenger
airbag
P. 93
SRS knee airbags
P. 93
SRS driver airbag P. 93
Floor mat P. 359
Bottle holders/door pockets P. 338Head restraints P. 59
Front seats P. 51
Cup holders P. 336
SRS side airbags P. 93
Console box P. 334
Power outlet P. 347
Ashtrays P. 345
Cup holders P. 336
Armrest
Console box
∗
P. 354
P. 334
AUX adapter
USB adapter P. 275
P. 264, 275
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IS350/250_U
11
Anti-glare inside rear view mirror P. 72
Personal lights P. 331
Moon roof switches ∗ P. 79
Personal lights P. 331
Interior lights P. 331
Coat hooks P. 358
SRS curtain shield airbags P. 93
A
“SOS” button ∗ P. 373
Compass P. 369
Garage door opener switches P. 363
Vanity mirrors P. 340
Sun visors P. 339
Interior lights P. 331
∗: If equipped
Page 13 of 578
IS350/250_U
12
B
Driving position memory switches ∗
Seat position memory switches
∗
P. 53
P. 57
Door lock switch P. 43
Outside rear view mirror
switches
P. 73
Window lock switch P. 76
Power window switches P. 76
Pictorial indexInterior
Page 19 of 578
IS350/250_U
18
Pictorial indexInstrument panel
D
Rear sunshade switch ∗ P. 355
Trunk opener P. 47
Fuel filler door opener P. 83
Headlight cleaner switch ∗ P. 174
Satellite switches P. 342
Instrument panel lightcontrol dial
P. 152
∗: If equipped
Windshield wiper de-icer ∗ P. 229