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TABLE OF CONTENTS
1
IS250C/350C_U
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 US owners, and seat belt, SRS
airbag and headlight aim instructions for Canadian owners
IndexAlphabetical listing of information contained in this manual.
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TABLE OF CONTENTSIndex
2
IS250C/350C_U
1-1. Key informationKeys ...................................................... 28
1-2. Opening, closing and locking the doors and trunk
Smart access system with push-button start .......................... 32
Wireless remote control .............. 44
Doors.................................................... 47
Trunk...................................................... 51
1-3. Adjustable components (seats, mirrors,
steering wheel)
Front seats .......................................... 55
Driving position memory ............. 61
Seat position memory .................. 65
Head restraints................................. 67
Seat belts ............................................ 70
Steering wheel.................................. 76
Anti-glare inside rear view mirror ................................................ 78
Outside rear view mirrors ........... 79 1-4. Opening and closing the
windows and retractable
hardtop
Power windows................................ 82
Retractable hardtop....................... 86
1-5. Refueling Opening the fuel tank cap........... 95
1-6. Theft deterrent system Engine immobilizer system ......... 98
Alarm.................................................. 100
Theft prevention labels ............... 103
1-7. Safety information Correct driving posture ............. 104
SRS airbags ..................................... 106
Front passenger occupant classification system .................... 117
Child restraint systems ............... 122
Installing child restraints ............. 126
1Before driving
For vehicles with a navigation system, refer to the “Navigation System Owner’s
Manual” for information regarding the equipment listed below.
• Navigation system
• Air conditioning
•Climate control
• Rear view monitor system • Audio/video system
• Rear window and outside rear view
mirror defogging
• Intuitive parking assist
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1
2
3
4
5
6
7
5
IS250C/350C_U
3-6. Using the storage featuresList of storage features............... 356
• Glove box .................................... 357
• Console box ............................... 358
• Cup holders................................. 359
• Auxiliary box ............................... 362
3-7. Other interior features Sun visors......................................... 363
Vanity mirror .................................. 364
Clock ................................................. 365
Satellite switches .......................... 366
Ashtrays ........................................... 369
Cigarette lighter ........................... 370
Power outlet .................................... 371
Seat heaters and ventilators ..................................... 372
Floor mat.......................................... 374
Trunk features................................ 375
Garage door opener.................. 378
Compass......................................... 384
Safety Connect ............................ 388 4-1. Maintenance and care
Cleaning and protecting the vehicle exterior................... 396
Cleaning and protecting the vehicle interior ..................... 401
4-2. Maintenance Maintenance requirements ..... 404
General maintenance ................ 406
Emission inspection and maintenance (I/M)
programs ...................................... 409
4-3. Do-it-yourself maintenance Do-it-yourself service precautions ................................... 410
Hood .................................................. 413
Positioning a floor jack................ 414
Engine compartment................... 416
Tires .................................................... 431
Tire inflation pressure.................. 441
Wheels ............................................. 445
Air conditioning filter.................. 447
Electronic key battery ................ 449
Checking and replacing fuses ................................................. 451
Headlight aim ................................ 466
Light bulbs....................................... 468
4Maintenance and care
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IS250C/350C_U
12
B
Driving position memory switches ∗
Seat position memory switches
∗
P. 61
P. 65
Door lock switch P. 47
Outside rear view mirror
switches
P. 79
Window lock switch P. 82
Power window switches P. 82
Pictorial indexInterior
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IS250C/350C_U
13
C
Seat heater/ventilator switches ∗ P. 372
Automatic transmission shift lever P. 151
Shift lock override button P. 526
Cigarette lighter ∗
Ashtray
∗
P. 370
P. 369
∗: If equipped
Auxiliary box ∗ P. 362
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IS250C/350C_U
14
Pictorial indexInstrument panel
Headlight switch Turn signal lever
Fog light switch P. 176
P. 158
P. 180
Shift paddle switches P. 155
Gauges and meters P. 161
Multi-information display P. 171
Windshield wiper and washer switch P. 182
Engine (ignition) switch P. 147
Trunk opener main switch P. 51
Tilt and telescopic steering control switch P. 76
Audio remote control switches *1P. 300
Horn P. 160Glove box P. 357
Parking brake pedal P. 159
Hood lock release lever P. 413
Inside door lock buttons P. 47
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IS250C/350C_U
15
Without navigation system (type A)
Clock
P. 365
Audio
system
P. 253
Air conditioning
system
P. 242
Rear window and out-
side rear view mirror
defoggers
P. 251
Security indicator
P. 98, 100
Emergency
flasher switch
P. 482
*1: For vehicles with a navigation system, refer to the “Navigation System Owner’s Manual”.
A
Clock
P. 365
Audio
system
P. 253
Air conditioning
system
P. 242
Rear window and out-
side rear view mirror
defoggers
P. 251
Security indicator
P. 98, 100
Emergency
flasher switch
P. 482
Without navigation system (type B)
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IS250C/350C_U
16
Pictorial indexInstrument panel
A
Navigation
system
*2
Clock P. 365
Audio system*2
Security indicator
P. 98, 100
Emergency flasher
switch
P. 482
Air conditioning
system
*2
With navigation system
Rear window and
outside rear view
mirror defoggers
*2