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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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TABLE OF CONTENTSIndex
4
IS250C/350C_U
3-1. Using the air conditioning system and defogger
Automatic air conditioning system ............................................ 242
Rear window and outside rear view
mirror defoggers ........................ 251
Windshield wiper de-icer ......... 252
3-2. Using the audio system Audio system type ....................... 253
Using the radio .............................. 256
Using the CD player ................... 264
Playing back MP3 and WMA discs................................... 271
Operating an iPod ....................... 279
Operating a USB memory....... 287
Optimal use of the audio system ............................................ 296
Using the AUX port................... 298
Using the steering wheel audio switches ........................... 300 3-3. Using the Bluetooth
®
audio system
Bluetooth
® audio system ........ 303
Using the Bluetooth
® audio
system ........................................... 306
Operating a Bluetooth
®
enabled portable player ............ 311
Setting up a Bluetooth
®
enabled portable player .......... 315
Bluetooth
® audio system
setup ................................................ 321
3-4. Using the hands-free phone system (for mobile phones)
Hands-free system for mobile phones ............................ 322
Using the hands-free system (for mobile phones) .................. 326
Making a phone call ................... 335
Setting a mobile phone .............. 339
Security and system setup ........ 344
Using the phone book............... 348
3-5. Using the interior lights Interior lights list............................ 354
• Interior light ................................ 355
• personal lights............................ 355
3Interior features
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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
Page 28 of 626

Before driving1
27
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
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55
1
Before driving
IS250C/350C_U
1-3. Adjustable components (seats, mirrors, steering wheel)
Front seats
Seat position switch
Seatback angle switch
Seat cushion (front) angle switch
Vertical height adjustment switch
Lumbar support switch
Seatback fold lever
Entering or exiting the rear seats
Ty p e A
Ty p e B
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56
1-3. Adjustable components (seats, mirrors, steering wheel)
IS250C/350C_U
Entering/exiting the rear seats
Type A Switch-operated “Front, Fold & Return” Seat
Moving the front seat forward or backward using the switch enables
passengers to enter or exit the rear seats smoothly and easily.
■ When entering/exiting the rear seats
Press the fold switch once. The
seatback of the front seat will fold
and the seat will move forward.
For safety reasons, the seat will be
stopped at a position slightly
behind the most-forward position.
To move the seat further to the
most-forward position, press and
hold the switch again after the seat
is stopped.
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57
1-3. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
IS250C/350C_U■
Returning the front seats to the original position (auto return func-
tion)
Press the return switch once. The
seatback of the front seat will
return to the upright position and
the seat will move backward.
*
For safety reasons, if the front seat
was originally positioned close to
the rear seat, the seat will be
stopped at a position slightly in
front of the original position. To
return the seat to its original posi-
tion, press the return switch again.
After the seat is returned to the
original position, pressing and
holding the return switch moves
the seat back further.
*: The return function can be set to activate only while the switch is
being pressed. ( →P. 366)
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58
1-3. Adjustable components (seats, mirrors, steering wheel)
IS250C/350C_UType B
Seat slide switches (passenger’s seat only)
Press and hold the switch to move
the seat forward.
Fold the seatback using either of
the seatback fold levers.
STEP1
STEP2