2015 Lexus GS450h trunk

831-3. Theft deterrent system
GS450h_OM_OM30F70U_(U)
1
For safety and security
Alarm
The alarm uses light and sound to give an alert when an intrusion is
detected.
The alarm is triggered in the following situations when the alarm is set:
●A locked door or trunk is unlocked or opened in any way other than
using the entry function, wireless remote control or mechanical key.
(The doors will lock again automatically.)
●The hood is opened.
Close the doors, trunk and hood,
and lock all the doors. The system
will be set automatically after 30
seconds.
The indicator light changes from
being on to flashing when the system
is set.
Do one of the following to deactivate or stop the alarms:
●Unlock the doors or open the trunk.
●Turn the power switch to ACCESS ORY or ON mode, or start the
hybrid system. (The alarm will be deactivated or stopped after a few
seconds.)
The alarm
Setting the alarm system
Deactivating or stopping the alarm

841-3. Theft deterrent system
GS450h_OM_OM30F70U_(U)
■System maintenance
The vehicle has a maintenance-free type alarm system.
■Items to check before locking the vehicle
To prevent unexpected triggering of the alarm and vehicle theft, make sure of the fol-
lowing:
●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.
■Triggering of the alarm
The alarm may be triggered in the following situations:
(Stopping the alarm deactivates the alarm system.)
■Alarm-operated door lock
●When the alarm is operating, the doors ar e locked automatically to prevent intrud-
ers.
●Do not leave the key inside the vehicle when the alarm is operating, and make sure
the key is not inside the vehicle when re charging or replacing the 12-volt battery.
●A person inside the vehicle opens a door,
the trunk or hood.
●The 12-volt battery is recharged or replaced
when the vehicle is locked. (P. 5 6 4 )
NOTICE
■To ensure the system operates correctly
Do not modify or remove the system. If modified or removed, the proper operation
of the system cannot be guaranteed.

119
GS450h_OM_OM30F70U_(U)
3
Operation of
each component
3-1. Key information
Keys .................................................. 120
3-2. Opening, closing and locking the doors and trunk
Smart access system with push-button start ............ 123
Wireless remote control .......... 136
Doors ............................................... 139
Trunk ................................................. 143
3-3. Adjusting the seats Front seats ...................................... 150
Driving position memory ..........152
Head restraints ............................ 158
3-4. Adjusting the steering wheel and mirrors
Steering wheel ............................... 161
Inside rear view mirror...............162
Outside rear view mirrors ....... 164
3-5. Opening, closing the windows and moon roof
Power windows ............................. 167
Moon roof ........................................ 171

GS450h_OM_OM30F70U_(U)
1213-1. Key information
3
Operation of each component
■When required to leave the vehicle’s key with a parking attendant
Turn the trunk opener main switch off and lock the glove box as circumstances
demand. (P. 144, 368)
Remove the mechanical key for your own use and provide the attendant with the
electronic key only.
■If you lose your mechanical keys
New genuine mechanical keys can be made by your Lexus dealer using the other
mechanical key and the key number stamped on your key number plate. Keep the
plate in a safe place such as your wallet, not in the vehicle.
■When riding in an aircraft
When bringing an electronic key onto an aircraft, make sure you do not press any
buttons on the electronic key while inside the aircraft cabin. If you are carrying an
electronic key in your bag etc., ensure that the buttons are not likely to be pressed
accidentally. Pressing a button may cause the electronic key to emit radio waves that
could interfere with the operation of the aircraft.

123
GS450h_OM_OM30F70U_(U)3-2. Opening, closing and locking the doors and trunk
3
Operation of each component
Smart access system with push-button start
The following operations can be perf ormed simply by carrying the elec-
tronic key on your person, for exam ple in your pocket. (The driver should
always carry the electronic key.)
■Operation signals
A buzzer sounds and the emergency flashe rs flash to indicate that the doors have
been locked/unlocked. (Locked: once; Unlocked: twice)
■Security feature
If a door is not opened within approx imately 60 seconds after the vehicle is
unlocked, the security feature automatically locks the vehicle again.
■Welcome light illumination control
The side marker, parking, tail and license plate lights automatically turn on at night
when the doors are unlocked using the entr y function or wireless remote control if
the light switch is in the “AUTO” position.
Function summary
Locks and unlocks the doors ( P. 1 2 4 )
Opens the trunk ( P. 1 2 4 )
Starts the hybrid system ( P. 193)1
2
3

124
GS450h_OM_OM30F70U_(U)
3-2. Opening, closing and locking the doors and trunk
Grip the driver’s door handle to
unlock the door. Grip the passen-
ger’s door handle to unlock all the
doors.*
Make sure to touch the sensor on the
back of the handle.
The doors cannot be unlocked for
3 seconds after the doors are locked.
*: The door unlock settings can be
changed. ( P. 1 2 8 )
Touch the lock sensor (the indenta-
tion on the upper part of the door
handle) to lock all the doors.
Check that the door is securely
locked.
Press the button.
If the vehicle is equipped with power
trunk opener and closer, the trunk lid
automatically opens fully.
Unlocking and locking the doors
Opening the trunk

GS450h_OM_OM30F70U_(U)
1253-2. Opening, closing and locking the doors and trunk
3
Operation of each component
■Antenna location
Antennas outside the cabin
Antennas inside the cabin
Antenna outside the trunk
Antenna inside the trunk
Antenna location and effective range
1
2
3
34

126
GS450h_OM_OM30F70U_(U)
3-2. Opening, closing and locking the doors and trunk
■Effective range (areas within which 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. (0.7 m) of an outside door
handle. (Only the doors detecting
the key can be operated.)
When opening the trunk
The system can be operated when
the electronic key is within about
2.3 ft. (0.7 m) of the trunk release
button.
When starting the hybrid sys-
tem or changing power switch
modes
The system can be operated when
the electronic key is inside the vehi-
cle.
■When the door cannot be locked by the lock sensor on the upper part of the door
handle
If the door will not lock even when the topside
sensor area is touched, try touching both the
topside and underside sensor areas at the
same time.