2008 Lexus IS250 lock

Before driving1
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08_IS350/250_U_(L/O_0708)
1-1. Key information ............... 20Keys .............................................. 20
1-2. Opening, closing and locking the doors
and trunk ........................ 22
Smart access system with push-button start .................... 22
Wireless remote control ......... 34
Doors ............................................ 37
Trunk .............................................. 41
1-3. Adjustable components (seats, mirrors,
steering wheel) .............. 44
Front seats ................................... 44
Driving position memory ........ 46
Seat position memory.............. 49
Head restraints ........................... 51
Seat belts ..................................... 52
Steering wheel (manually adjustable type) ..................... 58
Steering wheel (power- adjustable type) ...................... 59
Anti-glare inside rear view mirror ......................................... 60 Outside rear view mirrors........ 61
1-4. Opening and closing the windows and
moon roof ....................... 64
Power windows .......................... 64
Moon roof ................................... 66
1-5. Refueling .......................... 69 Opening the fuel tank cap ..... 69
1-6. Theft deterrent system .... 72 Engine immobilizer system ........................................ 72
Alarm............................................. 74
Theft prevention labels (U.S.A.)....................................... 76
1-7. Safety information............ 77 Correct driving posture ......... 77
SRS airbags ................................ 79
Front passenger occupant classification system.............. 90
Child restraint systems ........... 95
Installing child restraints......... 98

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08_IS350/250_U_(L/O_0708)
1-1. Key information
Keys
Using the mechanical keyTake out the mechanical key.
The mechanical key can only be
inserted in one direction, as the key
only has grooves on one side. If the
key cannot be inserted in a lock
cylinder, turn it over and re-attempt
to insert it.
After using the mechanical key,
store it in the electronic key. Carry
the mechanical key together with
the electronic key. If the electronic
key battery is depleted or the entry
function does not operate properly,
you will need the mechanical key.
The following keys are provided with the vehicle.
Electronic keys
• Operating the smart accesssystem with push-button start
(→ P. 22)
• Operating the wireless remote control function
(→ P. 3 4 )
Mechanical keys
Key number plate

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1-1. Key information
1
Before driving
08_IS350/250_U_(L/O_0708)
■When required to leave a key to the vehicle with a parking attendant
Turn the trunk opener main switch off and lock the glove box as circumstances
demand. (→P. 4 1 , 2 3 6 )
Remove the mechanical key for your own use and provide the attendant with the
electronic key only.
■Key number plate
Keep the plate in a safe place such as your wallet, not in the vehicle. In the event that
a mechanical key is lost, a new key can be made at your Lexus dealer using the key
number plate. (→ P. 393)
NOTICE
■To prevent key damage
●Do not subject the keys to strong shocks, expose them to high temperatures by
placing them in direct sunlight, or get them wet.
●Do not expose the keys to electromagnetic materials or attach any material that
blocks electromagnetic waves to the key surface.
●Do not disassemble the electronic key.

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08_IS350/250_U_(L/O_0708)
1-2. Opening, closing and locking the doors and trunk
Smart access system with push-button start
The following operations can be performed simply by carrying the elec-
tronic key on your person, for example in your pocket.
(The driver should always carry the electronic key.)
Locks and unlocks the doors (→P. 2 3 )
Unlocks the trunk ( →P. 2 3 )
Starts the engine ( →P. 117)

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1-2. Opening, closing and locking the doors and trunk
1
Before driving
08_IS350/250_U_(L/O_0708)
Locking and unlocking the doors (front door handles only)
Press the lock button to lock the
door.
Grip the handle to unlock the
door.
Make sure to touch the sensor on
the back of the handle.
The door cannot be unlocked for 3
seconds after the door is locked.
Unlocking the trunk Press the button to unlock the
trunk.

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1-2. Opening, closing and locking the doors and trunk
08_IS350/250_U_(L/O_0708)
Antenna location and effective range■ Antenna location
Antennas outside cabin
Antennas inside cabin
Antenna inside trunk
Antenna outside trunk

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1-2. Opening, closing and locking the doors and trunk
1
Before driving
08_IS350/250_U_(L/O_0708)■
Effective range (areas within wh ich the electronic key is detected)
When locking or unlocking
the doors
The system can be operated
when the electronic key is
within about 2.3 ft. (70 cm) of
either of the outside front
door handles. (Only the doors
detecting the key can be
operated.)
When unlocking the trunk
The system can be operated
when the electronic key is
within about 2.3 ft. (70 cm) of
the trunk release button.
When starting the engine
or changing “ENGINE
START STOP” switch
modes
The system can be operated
when the electronic key is
inside the vehicle.

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1-2. Opening, closing and locking the doors and trunk
08_IS350/250_U_(L/O_0708)
■Operation signals
A buzzer sounds and the emergency flashers flash to indicate that the doors have
been locked/unlocked. (Locked: Once; Unlocked: Twice)
■Conditions affecting operation
The smart access system with push-button start uses weak radio waves. In the fol-
lowing situations, the communication between the electronic key and the vehicle
may be affected, preventing the smart access system with push-button start from
operating properly:
(Ways of coping:
→P. 3 9 4 )
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large display,
airport or other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular phone, cordless phone or other wire-
less communication devices
●When the electronic key is in contact with, or is covered by the following metal-
lic objects
• Cards to which aluminum foil is attached
• Cigarette boxes that have aluminum foil inside
• Metallic wallets or bags
•Coins
• Hand warmers made of metal
• Media such as CDs and DVDs
●When multiple electronic keys are in the vicinity
●When another wireless key (that emits radio waves) is being used nearby
●When carrying or using the electronic key together with the following devices
that emit radio waves
• Another vehicle's electronic key or a wireless key that emits radio waves
• Personal computer or personal digital assistant (PDA)
• Digital audio player
• Portable game system
●If window tint with a metallic content or metallic objects are attached to the rear
window