child seat Lexus IS250 2010 Using The Air Conditioning System And Defogger / LEXUS 2010 IS350 IS250 OWNERS MANUAL (OM53A23U)

TABLE OF CONTENTSIndex
2
1-1. Key information
Keys ...................................................... 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
Seat position memory
(front passenger’s seat) ............. 57
Head restraints................................. 59
Seat belts ............................................ 62
Steering wheel (manually
adjustable type)............................. 69
Steering wheel
(power-adjustable type)............ 70
Anti-glare inside rear view
mirror ................................................ 72
Outside rear view mirrors ........... 731-4. Opening and closing the
windows and moon roof
Power windows................................ 76
Moon roof .......................................... 79
1-5. Refueling
Opening the fuel tank cap........... 83
1-6. Theft deterrent system
Engine immobilizer system ......... 86
Alarm................................................... 88
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

Before driving1
23
1-1. Key information
Keys ............................................... 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
Seat position memory
(front passenger’s seat) ........ 57
Head restraints .......................... 59
Seat belts ..................................... 62
Steering wheel (manually
adjustable type) ...................... 69
Steering wheel
(power-adjustable type) ....... 70Anti-glare inside rear view
mirror......................................... 72
Outside rear view mirrors...... 73
1-4. Opening and closing the
windows and moon roof
Power windows ........................... 76
Moon roof ................................... 79
1-5. Refueling
Opening the fuel tank cap ..... 83
1-6. Theft deterrent system
Engine immobilizer
system........................................ 86
Alarm............................................ 88
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

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1-2. Opening, closing and locking the doors and trunk
■Impact detection door lock release system
In the event that the vehicle is subject to a strong impact, all the doors are unlocked.
Depending on the force of the impact or the type of accident, however, the system
may not operate.
■Using the mechanical key
The doors can also be locked and unlocked with the mechanical key. (P. 505)
■Customization that can be configured at Lexus dealer
Settings (e.g. unlocking function using a key) can be changed.
(Customizable features P. 5 5 0 )
CAUTION
■To prevent an accident
Observe the following precautions while driving the vehicle.
Failing to do so may result in a door opening and an occupant falling out, resulting in
death or serious injury.
●Always use a seat belt.
●Always lock all doors.
●Ensure that all doors are properly closed.
●Do not pull the inside handle of the doors while driving.
The doors may be opened and the passengers are thrown out of the vehicle and it
may result in serious injury or death.
Be especially careful for the front doors, the doors may be opened even if the
inside lock buttons are in locked position.
●Set the rear door child protector locks when children are seated in the rear seat.

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1-3. Adjustable components (seats, mirrors, steering wheel)
Pre-collision seat belts (front seats of vehicles with pre-collision system)
If the pre-collision sensor detects that a collision is unavoidable, the pre-
collision system will retract the seat belt, helping to enhance occupant
protection.
The same will happen if the driver makes an emergency braking or loses con-
trol of the vehicle. (P. 202)
■Emergency locking retractor (ELR)
The retractor will lock the belt during a sudden stop or on impact. It may also lock if
you lean forward or pull out the belt too quickly. Allow the belt to fully retract, and
then slowly extend the belt. If the belt cannot be pulled out of the retractor, firmly
pull the belt and release it. You will then be able to smoothly pull the belt out of the
retractor.
■Automatic locking retractor (ALR)
When a passenger's shoulder belt is completely extended and then retracted even
slightly, the belt is locked in that position and cannot be extended. This feature is
used to hold the child restraint system (CRS) firmly. To free the belt again, fully
retract the belt and then pull the belt out once more. (P. 113)
■Pregnant women
Obtain medical advice and wear the seat belt
in the proper way. (P. 6 2 )
Women who are pregnant should position
the lap belt as low as possible over the hips in
the same manner as other occupants. Extend
the shoulder belt completely over the shoul-
der and position the belt across the chest.
Avoid belt contact over the rounding of the
abdominal area.
If the seat belt is not worn properly, not only a
pregnant woman, but also the fetus could suf-
fer death or serious injury as a result of sud-
den braking or a collision.

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1-3. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
■People suffering illness
Obtain medical advice and wear the seat belt in the proper way.
■Child seat belt usage
The seat belts of your vehicle are principally designed for persons of adult size.
●Use a child restraint system appropriate for the child, until the child becomes
large enough to properly wear the vehicle's seat belt. (P. 1 0 9 )
●When the child becomes large enough to properly wear the vehicle's seat belt,
follow the instructions on P. 62 regarding seat belt usage.
■Replacing the belt after the pretensioner has been activated
If the vehicle is involved in multiple collisions, the pretensioner will activate for the
first collision, but will not activate for the second or subsequent collisions.
■Seat belt extender
If your seat belts cannot be fastened securely
because they are not long enough, a person-
alized seat belt extender is available from
your Lexus dealer free of charge.

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1-3. Adjustable components (seats, mirrors, steering wheel)
CAUTION
Observe the following precautions to reduce the risk of injury in the event of sudden
braking, sudden swerving or an accident.
Failing to do so may cause death or severe injury.
■Wearing a seat belt
●Ensure that all passengers wear a seat belt.
●Always wear a seat belt properly.
●Each seat belt should be used by one person only. Do not use a seat belt for more
than one person at once, including children.
●Lexus recommends that children be seated in the rear seat and always use a seat
belt and/or an appropriate child restraint system.
●Do not recline the seat any more than necessary to achieve a proper seating
position. The seat belt is most effective when the occupants are sitting up straight
and well back in the seats.
●Do not wear the shoulder belt under your arm.
●Always wear your seat belt low and snug across your hips.
■Adjustable shoulder anchor
Always make sure the shoulder belt is positioned across the center of your shoul-
der. The belt should be kept away from your neck, but not falling off your shoulder.
Failure to do so could reduce the amount of protection in an accident and cause
death or serious injuries in the event of a sudden stop, sudden swerve or accident.
(P. 6 3 )
■Seat belt pretensioners
●Do not place anything, such as a cushion, on the front passenger’s seat. Doing so
will disperse the passenger’s weight, which prevents the sensor from detecting
the passenger’s weight properly. As a result, the seat belt pretensioner for the
front passenger’s seat may not activate in the event of a collision.
●If the pretensioner has activated, the SRS warning light will come on. In that case,
the seat belt cannot be used again and must be replaced at your Lexus dealer.

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1-3. Adjustable components (seats, mirrors, steering wheel)
1
Before driving
CAUTION
■Child restraint lock function belt precaution
Do not allow children to play with the child restraint lock function belt. If the belt
becomes twisted around a child’s neck, it will not be possible to pull the belt out
leading to choking or other serious injuries that could result in death. If this occurs
and the buckle cannot be unfastened, scissors should be used to cut the belt.
■Seat belt damage and wear
Inappropriate handling of the pretensioner may prevent it from operating properly
resulting in death or serious injury.
●Do not damage the seat belts by allowing the belt, plate, or buckle to be jammed
in the door.
●Inspect the seat belt system periodically. Check for cuts, fraying, and loose parts.
Do not use a damaged seat belt until it is replaced. Damaged seat belts cannot
protect an occupant from death or serious injury.
●Ensure that the belt and tab are locked and the belt is not twisted.
If the seat belt does not function correctly, immediately contact your Lexus
dealer.
●Replace the seat assembly, including the belts, if your vehicle has been involved in
a serious accident, even if there's no obvious damage.
●Do not attempt to install, remove, modify, disassemble or dispose of the seat belts.
Have any necessary repairs carried out by your Lexus dealer.
■Using a seat belt extender
●Do not wear the seat belt extender if you can fasten the seat belt without the
extender.
●Do not use the seat belt extender when installing a child restraint system because
the belt will not securely hold the child restraint system, increasing the risk of
death or serious injury in the event of an accident.
●The personalized extender may not be safe on another vehicle, when used by
another person, or at a different seating position other than the one originally
intended.

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1-7. Safety information
CAUTION
■SRS airbag precautions
●The SRS front passenger airbag also deploys with considerable force, and can
cause death or serious injury especially if the front passenger is very close to the
airbag. The front passenger seat should be as far from the airbag as possible with
the seatback adjusted, so the front passenger sits upright.
●Improperly seated and/or restrained infants and children can be killed or seri-
ously injured by a deploying airbag. An infant or child who is too small to use a
seat belt should be properly secured using a child restraint system. Lexus strongly
recommends that all infants and children be placed in the rear seats of the vehicle
and properly restrained. The rear seats are the safest for infants and children.
(P. 1 0 9 )
●If the seat belt extender has been con-
nected to the driver's seat belt buckle but
the seat belt extender has not also been
fastened to the latch plate of the driver's
seat belt, the SRS driver's airbag system
will judge that the driver is wearing the seat
belt even though the seat belt has not been
connected. In this case, the driver's airbag
may not activate correctly in a collision,
resulting in death or serious injury in the
event of collision. Be sure to wear the seat
belt with the seat belt extender.

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1-7. Safety information
1
Before driving
CAUTION
■SRS airbag precautions
●Do not sit on the edge of the seat or lean
against the dashboard.
●Do not allow a child to stand in front of the
SRS front passenger airbag unit or sit on
the knees of a front passenger.
●Do not drive the vehicle while the driver or
passenger have items resting on their
knees.
●Do not lean against the door, the roof side
rail or the front, side and rear pillars.
●Do not allow anyone to kneel on the pas-
senger seat toward the door or put their
head or hands outside the vehicle.

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1-7. Safety information
1
Before driving
Condition and operation in the front passenger occupant classification system
■Adult*1
■Child *3 or child restraint system*4
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator
lights“A I R B A G
ON”
SRS warning light Off
Front passenger’s seat belt reminder light
Flashing
*2
DevicesFront passenger airbag
Activated Side airbag on the front
passenger seatCurtain shield airbag in the front passenger side
Front passenger knee airbag
Front passenger’s seat belt pretensioner
Indicator/
warning light
“AIR BAG ON” and “AIR BAG OFF” indicator
lights“A I R B A G
OFF” *5
SRS warning light
Off
Front passenger’s seat belt reminder light
Flashing
*2
DevicesFront passenger airbag
Deactivated
Side airbag on the front
passenger seatCurtain shield airbag in the front passenger sideActivated
Front passenger knee airbag Deactivated
Front passenger’s seat belt pretensioner Activated