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 and
SRS airbag instructions 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
Head restraints................................. 57
Seat belts ............................................ 60
Steering wheel (manually adjustable type)............................. 67
Steering wheel (power-adjustable type)............ 68
Anti-glare inside rear view mirror ................................................ 70
Outside rear view mirrors ........... 72 1-4. Opening and closing the
windows and moon roof
Power windows................................ 75
Moon roof .......................................... 78
1-5. Refueling Opening the fuel tank cap........... 82
1-6. Theft deterrent system Engine immobilizer system ........ 85
Alarm.................................................... 87
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
Page 5 of 578

TABLE OF CONTENTSIndex
IS350/250_U
4
3-1. Using the air conditioning system and defogger
Automatic air conditioning system ........................................... 206
Rear window and outside rear view
mirror defoggers ........................ 214
Windshield wiper de-icer .......... 215
3-2. Using the audio system Audio system type ........................ 216
Using the radio ............................... 219
Using the CD player ................... 227
Playing back MP3 and WMA discs.................................. 234
Operating an iPod ....................... 242
Operating a USB memory...... 250
Optimal use of the audio system ............................................ 259
Using the AUX port..................... 261
Using the steering wheel audio switches ............................ 263 3-3. Using the Bluetooth
® audio
system
Bluetooth
® audio system ......... 266
Using the Bluetooth
®
audio system................................ 269
Operating a Bluetooth
®
enabled portable player ......... 274
Setting up a Bluetooth
®
enabled portable player ......... 277
Bluetooth
® audio system
setup .............................................. 283
3-4. Using the hands-free phone system (for mobile phones)
Hands-free system for mobile phones ........................................... 284
Using the hands-free system (for mobile phones) ................. 288
Making a phone call .................... 296
Setting a mobile phone ............. 300
Security and system setup ....... 305
Using the phone book............... 309
3-5. Using the interior lights Interior lights list............................. 315
• Interior lights ................................ 317
• Personal lights ............................. 317
3Interior features
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TABLE OF CONTENTSIndex
IS350/250_U
6
5-1. Essential informationEmergency flashers.................... 450
If your vehicle needs to be towed............................................... 451
If you think something is wrong ............................................. 457
Fuel pump shut off system ....... 458
Event data recorder .................... 459
5-2. Steps to take in an emergency If a warning light turns on or a warning buzzer
sounds... ......................................... 461
If a warning message is displayed ....................................... 470
If you have a flat tire...................... 481
If the engine will not start ......... 489
If the shift lever cannot be shifted from P ............................... 491
If you lose your keys .................... 492
If the electronic key does not operate properly ............... 493
If the vehicle battery is discharged .................................. 498
If your vehicle overheats ............ 501
If the vehicle becomes stuck............................................... 504
If your vehicle has to be stopped in an emergency ..... 506 6-1. Specifications
Maintenance data (fuel, oil level, etc.).................... 508
Fuel information ............................ 525
Tire information............................ 528
6-2. Customization Customizable features.............. 540
6-3. Initialization Items to initialize ........................... 546
Reporting safety defects for U.S. owners.......................... 548
Seat belt instructions for Canadian owners
(in French) .................................... 549
SRS airbag instructions for Canadian owners
(in French) ..................................... 551
5When trouble arises6Vehicle specifications
7For owners
Page 8 of 578
1
2
3
4
5
6
7
IS350/250_U
7
Abbreviation list .................................. 562
Alphabetical index............................... 564
What to do if... ....................................... 574
Index
Page 9 of 578
IS350/250_U
8
Pictorial indexExterior
Turn signal lights P. 147
Fog lights P. 168
Side marker lights P. 165
Headlights P. 165
Hood P. 383
Parking lights P. 165
Windshield wipers P. 169
Moon roof ∗ P. 78
Outside rear viewmirrors
P. 72
Turn signal lights
P. 147
Daytime running lights
P. 166
Page 11 of 578
IS350/250_U
10
A
Power window
switches
P. 75
Pictorial indexInterior
Seat belts P. 60
SRS front passenger
airbag
P. 93
SRS knee airbags
P. 93
SRS driver airbag P. 93
Floor mat P. 346
Bottle holders/door pockets P. 324Head restraints P. 57
Front seats P. 51
Cup holders P. 322
SRS side airbags P. 93
Console box P. 320
Power outlet P. 334
Ashtray ∗ P. 332
Cup holders P. 322
Armrest
Console box
∗
P. 341
P. 320
AUX port
USB port P. 261
P. 250, 261
Page 13 of 578
IS350/250_U
12
B
Driving position memory switches ∗ P. 53
Door lock switch P. 43
Outside rear view mirror
switches
P. 72
Window lock switch P. 75
Power window switches P. 75
Pictorial indexInterior