2007 Lexus GS350 Using the front audio system / LEXUS 2007 GS430/350 OWNER'S MANUAL (OM30A04U)

53
1-6. Anti-theft system
1
Before driving
CAUTION
■Certifications for the engine immobilizer system
Changes or modifications not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
NOTICE
■For proper system operation
Do not modify, remove or disable the engine immobilizer system. If any unautho-
rized changes or modifications are made, the proper operation of the system can-
not be guaranteed.

54
1-6. Anti-theft system
Alarm
The system sounds the alarm and flashes the vehicle lights when an attempt
to steal the vehicle is detected.
■ Triggering the alarm
The alarm is triggered in the following situations.
●A lock
ed door or trunk is unlocked or opened in any way other
than using the entry function, wire less remote door lock function
or using the mechanical key. (The doors will lock again automati -
cally)
● The hood is opened while the v
ehicle is locked.
■ Setting the alarm sy
stem
Close the doors, trunk and
hood, and lock all door
s. The
system will be set automatically
after 30 seconds.
The indicator light changes from
being on to flashing when the
system is set.
■ Deactivating or stopping the alarm
Do one of the following to deactivate or stop the alarm.
●Unlock the doors or trunk.
● Star
t the engine. (the alarm will be deactivated or stopped after a
few seconds.)

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1-6. Anti-theft system
1
Before driving
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the
fo
llowing
●Nobody is in the vehicle.
●The windows and moon roof are closed before the alarm is set.
●No valuables or other personal items are left in the vehicle.
■Tr i g g e r i n g o f t h e a l a r m
The alarm may be triggered in the
following situations. 
(Stopping the alarm deactivates the alarm system.)
●A person inside the vehicle opens a door, the trunk or hood.
●The battery is recharged or replaced when the vehicle is locked.
■Pa n i c m o d e
When is pushed for longer than about
one second, the headlights/tail lights/emer-
gency flashers will flash, the front and rear
interior lights will come on, and an alarm will
sound for about 60 seconds to deter any
person from trying to break into or damage
your vehicle.
To stop the alarm, push any button on the
wireless remote control.

56
1-6. Anti-theft system
Theft prevention labels (U.S.A.)
These labels are attached to the
vehicle to reduce vehicle theft
by facilitating the tracing and
recovery of parts from stolen
vehicles. Do not remove under
penalty of law.

57
1
Before driving
1-7. Safety information
Correct driving posture
Drive with a good posture as follows:
Sit upright and well back in
the seat.
Adjust the position of the seat
forward or backward to
ensur
e the pedals can be
reached and easily
depressed to the extent
required. ( P. 2 5 )
Adjust the seatback so that
the controls are easily opera -
ble.
Adjust the tilt and telescopic
positions of the steering
wheel do
wnward so the air -
bag is facing your chest. 
( P. 39 )
Lock the head restraint in
place with the center of the
head r
estraint closest to the
top of your ears. ( P. 31 )
Wear the seat belt correctly.
( P. 3 3 )

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1-7. Safety information
CAUTION
■Caution while driving
●Do not adjust the position of the driver’s seat.
Doing so could cause the driver to lose control of the vehicle.
●Do not place a cushion between the driver or passenger and the seatback. 
A cushion may prevent correct posture from being achieved, and reduce the
effectiveness of the seat belt and head re straint, increasing the risk of death or
serious injury to the driver or passenger.
●Do not place anything under the front seats. 
Objects placed under the front seats may become jammed in the seat tracks and
stop the seat from locking in place. This may lead to an accident. The adjustment
mechanism may also be damaged.
■Adjusting the seat position
●Do not recline the seat more than necessary when the vehicle is in motion, to
reduce the risk of slid ing under the lap belt. 
If the seat is too reclined during an accident, the lap belt may slide past the hips
and apply restraint forces directly to th e abdomen or your neck may contact the
shoulder belt, increasing the ri sk of death or serious injury.
●Take care when adjusting the seat position to ensure that other passengers are
not injured by the moving seat.
●Do not put your hands under the seat or near the moving parts to avoid injury. 
Fingers or hands may become jammed in the seat mechanism.

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1
1-7. Safety information
Before driving
SRS airbags
The SRS airbags inflate when the vehicle is subjected to certain types of
severe impacts that may cause signific ant injury to the occupants. They
work together with the seat belts to he lp reduce the risk of death or serious
injury.
Front airbags
Driver airbag/front passenger airbag 
Can help protect the head and ch est of the driv
er and front passen-
ger from impact with interior components.
Knee airbag 
Can help provide driver and front passenger protection.
Side and curtain shield airbags
Front side airbag/rear side airbag (r
ear side airbags are optional)
Can help protect the torso of th e f
ront occupants and rear out-
board occupants.

60
1-7. Safety information
Airbag system components
Occupant detection system
(ECU and sensors)
Front passenger’s seat belt
buckle switch
Knee airbag
Front passenger airbag
Curtain shield airbag
Front side airbag
Side and curtain shield airbag
sensor
Curtain shield airbag sensorSRS warning light
Rear side airbag (if equipped)
Driver airbag
Driver’s seat belt buckle switch
Driver’s seat position sensor
AIRBAG ON and AIRBAG
OFF indicator lights
Airbag sensor assembly
Front airbag sensor
Curtain shield airbag
Can help protect primarily the head of fr
ont occupants and rear out-
board occupants.