2008 Lexus IS250 Using the air conditioning system and defogger / LEXUS 2008 IS250 OWNER'S MANUAL (OM53699U)

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Scrapping of your Lexus
The SRS airbag and seat belt pretensioner devices in your Lexus contain explosive
chemicals. If the vehicle is scrapped with the airbags and seat belt pretensioners left
as they are, this may cause an accident such as fire. Be sure to have the systems of
the SRS airbag and seat belt pretensioner removed and disposed of by a qualified
service shop or by your Lexus deal er before you scrap your vehicle.
Perchlorate Material
Special handling may apply, See www.d tsc.ca.gov/hazardouswaste/perchlorate.
Your vehicle has components that may contain perchlorate. These components may
include airbag, seat belt pretensioners, and wireless remote control batteries.
CAUTION
■General precautions while driving
Driving under the influence: Never drive your vehicle when under the influence of
alcohol or drugs that have impaired your ability to operate your vehicle. Alcohol
and certain drugs delay reaction time, impair judgment and reduce coordination,
which could lead to an accident that will hurt or kill you, your occupants or others.
Defensive driving: Always drive defensively. Anticipate mistakes that other drivers
or pedestrians might make and be ready to avoid accidents.
Driver distraction: Always give your full at tention to driving. Anything that distracts
the driver, such as adjusting controls, ta lking on a cellular phone or reading can
result in a collision with resulting death or serious injury to you, your occupants or
others.
■General precaution regarding children’s safety
Never leave children unattended in the vehi cle, and never allow children to have or
use the key.
Children may be able to start the vehicle or shift the vehicle into neutral. There is
also a danger that children may injure themselves by playing with the cigarette
lighter, the windows, the moon roof, or othe r features of the vehicle. In addition, heat
build-up or extremely cold temperatures inside the vehicle can be fatal to children.

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Symbols used throughout this manual
Cautions & Notices
Symbols used in illustrations
CAUTION
This is a warning against anything which may cause injury to people if the warning is
ignored. You are informed about what you must or must not do in order to reduce the
risk of injury to yourself and others.
NOTICE
This is a warning against anything which may cause damage to the vehicle or its
equipment if the warning is ignored. You are informed about what you must or must
not do in order to avoid or reduce the risk of damage to your Lexus and its equipment.
Safety symbol
The symbol of a circle with a slash through it means “Do not”,
“Do not do this”, or “Do not let this happen.”
Arrows indicating operationsIndicates the action (pushing, turning, etc.)
used to operate switches and other
devices.
Indicates the outcome of an operation (e.g.
a lid opens).

Before driving1
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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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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
■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 electromagneti c materials or attach any material that
blocks electromagnetic waves to the key surface.
●Do not disassemble the electronic key.

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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
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 trunkPress the button to unlock the
trunk.

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1-2. Opening, closing and locking the doors and trunk
Antenna location and effective range■ Antenna location
Antennas outside cabin
Antennas inside cabin
Antenna inside trunk
Antenna outside trunk