2008 Lexus GS450h key

48
1-3. Opening, closing and locking the doors and trunk
GS_HV_U
October 23, 2015 1:02 pm
■Door lock buzzer
P. 3 9
■Security feature
P. 4 3
■If the wireless remote control does not operate properly
● Locking and unlocking the doors an d trunk: Use the mechanical key. 
(  P. 5 3 1 )
●Starting the hybrid system. ( P. 5 3 2 )
■Electronic key battery depletion
P. 4 1
■When the electronic key battery is fully depleted
P. 4 5 4
■Conditions affecting operation
P. 3 9
■Customization that can be configured at Lexus dealer
Settings (e.g. 2-step unlocking function, trunk unlocking function) can be changed.
(Customizable features P. 5 6 9 )

51
1-3. Opening, closing and locking the doors and trunk
1
Before driving
GS_HV_U
October 23, 2015 1:02 pm
Locking the driver’s door from the outside without a keyMove the lock button to the lock position.
Close the door.
The door cannot be locked if the “POWER” switch is in the ACCES-
SORY or ON mode, or the electro nic key is left inside the vehicle.
The key may not be detected correctly and the door may be locked.
Rear door child-protector lock
The door cannot be opened from
inside the vehicle when the locks
are set.
These locks can be set to prevent
children from opening the rear
doors. Push down rear door
switches to lock the rear doors.
STEP1
STEP2

53
1-3. Opening, closing and locking the doors and trunk
1
Before driving
GS_HV_U
October 23, 2015 1:02 pm
When the setting or canceling operation is complete, all doors are locked
and then unlocked.
FunctionShift lever positionSwitch position
Shift position linked door locking
function
“P”Shift position linked door unlock-
ing function
Speed linked door locking function
“N”Driver’s door linked door unlocking
function
■Closing the front doors from outside with the inside lock button set in the locked
position
The door cannot be locked if the “POWER” switch is in ACCESSORY or ON
mode, or the electronic key is left in the vehicle. (However, depending on the key’s
location, the system may not be able to de tect it. In these instances the door lock
protection function will not operate properly.)
■Using the mechanical key
The doors can also be locked and unlocked with the mechanical key. ( P. 5 3 1 )
■Customization that can be configured at Lexus dealer
Settings (e.g. unlocking function using a key) can be changed. 
(Customizable features  P. 5 7 1 )

56
1-3. Opening, closing and locking the doors and trunk
GS_HV_U
October 23, 2015 1:02 pm
■Tr u n k e a s y c l o s e r
In the event that the trunk lid is left slightly open (not latched properly), the trunk
easy closer will automatically close it to the fully closed position.
■Tr u n k l i g h t
When the trunk light switch is set to ON, the trunk light turns on when the trunk is
opened.
■Tr u n k h a n d l e
■Internal trunk release lever
■Using the mechanical key
The trunk can be also opened using the mechanical key. ( P. 5 3 1 )
ON
OFF
Use the trunk handle when closing the trunk.
The trunk lid can be opened by pulling down
on the glow-in-the-dark lever located on the
inside of trunk lid.
The lever will continue to glow for some time
after the trunk lid is closed.

78
1-5. Opening and closing the windows and moon roof
GS_HV_U
December 12, 2007 3:50 pm
■The power windows can be operated when
The “POWER” switch is in ON mode.
■Linked door lock window operation
●The power windows can be opened and closed using the mechanical key. 
(  P. 5 3 1 )
●The power windows can be opened using the wireless remote control. 
(  P. 4 7 )
●The power windows can be closed using the smart access system with push-
button start. ( P. 3 5 )
■Operating the power windows after turning the “POWER” switch OFF
The power windows can be operated for ap proximately 45 seconds even after the
“POWER” switch is switched to ACCESSORY mode or turned OFF. They cannot,
however, be operated once the driver’s or front passenger’s door is opened.
■Jam protection function
If an object becomes caught between th e window and the window frame, window
travel is stopped and the window is opened slightly.
■Customization that can be configured at Lexus dealer
Settings (e.g. linked door lock operation) can be changed. 
(Customizable features P. 5 7 1 )

81
1-5. Opening and closing the windows and moon roof
1
Before driving
GS_HV_U
December 12, 2007 3:50 pm
■The moon roof can be operated when
The “POWER” switch is in ON mode.
■Linked door lock moon roof operation
●The moon roof can be opened and closed using the mechanical key. (P. 5 3 1 )
●The moon roof can be opened using the wireless remote control. ( P. 4 7 )
●The moon roof can be closed using the smart access system with push-button
start. ( P. 3 5 )
■Operating the moon roof after turning the “POWER” switch OFF
The moon roof can be operated for ap proximately 45 seconds even after the
“POWER” switch is switched to ACCESSORY mode or turned OFF. It cannot,
however, be operated once the driver’s door is opened.
■Jam protection function
If an object is detected between the moon roof and the frame while closing or tilting
down, travel is stopped and the moon roof opens slightly.
■If the moon roof cannot be closed automatically
Keep the close switch depressed.
■To reduce moon roof wind noise
Drive with the moon roof opened automati cally ( just before fully opened position).
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will
open automatically when the moon roof is opened.
■Customization that can be configured at Lexus dealer
Settings (e.g. linked door lock operation) can be changed. 
(Customizable features  P. 5 7 1 )

88
GS_HV_U
December 12, 2007 3:30 pm
1-7. Theft deterrent system
Immobilizer system
■System maintenance
The vehicle has a maintenance-free type of immobilizer system.
■Conditions that may cause the system to malfunction
●If the grip portion of the key is in contact with a metallic object.
●If the key is in close proximity to or touching a key to the security system (key
with a built-in transponder chip) of another vehicle.
■Certifications for the immobilizer system For vehicles sold in the U.S.A.
This device complies with Part 15 of the FCC Rules. Operation is subject to the fol-
lowing two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
The vehicle’s keys have built-in transponder chips that prevent the hybrid
system from starting if the key has not been previously registered in the
vehicle’s on-board computer. 
Never leave the keys inside the vehicle when you leave the vehicle.
The indicator light flashes after
the “POWER” switch has been
turned OFF to indicate that the
system is operating.
FCC ID: NI4TMIMB-1

90
1-7. Theft deterrent system
GS_HV_U
December 12, 2007 3:30 pm
Alarm
The system sounds the alarm and flashes lights when forcible entry is
detected.
■Triggering of the alarm
The alarm is triggered in the following situations.
●A locked door or trunk is unlocked or opened in any way other
than using the smart access system with push-button start, wire-
less remote control or mechanical key. (The doors will lock again
automatically.)
● The hood is opened while the vehicle is locked.
■ Setting the alarm system
Close the doors, trunk and
hood, and lock all doors.
The system will be set automati-
cally 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.
● Turn the “POWER” switch to the ACCESSORY or ON mode.
(The alarm will be deactivated or stopped after a few seconds.)