Lexus GS450h 2007 Do-it-yourself maintenance / LEXUS 2007 GS450H THROUGH JUNE 2006 PROD. (OM30727U) Service Manual

21
1-3. Opening, closing and locking the doors and trunk
1
Before driving
■When the electronic key battery is fully depleted
●Locking and unlocking the doors and trunk: Use the mechanical key. 
(  P. 4 6 9 )
●Starting the hybrid system:  P. 4 7 0
●Replacing the battery: P. 3 9 3
■Customization
Settings (e.g. smart access sy stem with push-button start, anti-theft system) can be
changed. ( P. 5 0 0 )
■Certification for the smart access system with push-button start
For vehicles sold in the U.S.A.
NOTE:
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.
FCC WARNING: 
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
AlarmSituationCorrection procedure
Interior alarm rings
continuously
Switched to “ACC” mode
while the driver's door is
open (Opened the driver's
door when the power switch
is in “ACC” mode.)
Tu r n t h e p o w e r s w i t c h
“OFF” and close the
driver's door.
Turned the power switch
“OFF” while the driver's door
is open
Close the driver's door.
FCC ID: NI4TMLF-1

22
1-3. Opening, closing and locking the doors and trunk
For vehicles sold in Canada
NOTE:
This device complies with RSS-210 of Industry Canada. 
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.
CAUTION
■Caution regarding interference with electronic devices
●People with implanted pacemakers or cardiac defibrillators should keep away
from the smart access system with push-button start antennas. 
The radio waves may affect the operation of such devices.
●Users of any electrical medical device other than implanted pacemakers and
implanted cardiac defibrillators should consult the manufacturer of the device for
information about its operation under the influence of radio waves. 
Radio waves could have unexpected effects on the operation of such medical
devices.

23
1
1-3. Opening, closing and locking the doors and trunk
Before driving
Wireless remote control
■2-step unlocking function
When you push thebutton, the driver's door is unlocked. Pushing the button
again within 3 seconds unlocks the other doors.
■Operation indicator
Doors: A buzzer sounds and the emergency fl as
hers flash to indicate that the doors
have been locked/unlocked. (Locked: Once; Unlocked: Twice)
Trunk: A buzzer sounds to indicate t
hat the trunk has been unlocked.
Windows and moon roof: A buzzer sounds when the windows and moon roof begin
to op
en.
■Door lock buzzer
If a door is not fully closed, a buzzer sounds continuously if an attempt to lock the
do
or is made. Fully close the door to stop the buzzer, and lock the vehicle once
more.
■Security feature
 P.
1 9
■When the electronic key battery is fully depleted
P.
2 1
The wireless remote control can be used to lock and unlock the vehicle and
the trunk from outside the vehicle.
Locks all doors
Unlocks all doors
Opens the windows and
moon roof (push and hold)
Unlocks the trunk 
(push and hold)
Sounds alarm 
(push and hold) ( P. 6 5 )

24
1-3. Opening, closing and locking the doors and trunk
■Conditions affecting operation
P. 1 6
■Low battery
If the wireless remote control does not function or if it only operates very close to
the vehicle, the battery may be low. ( P. 3 9 3 )
■Customization
Settings (e.g. 2-step unlocking function, trunk unlocking function) can be changed.
(  P. 5 0 0 )
■Certification for wireless remote control (for vehicles sold in the U.S.A.)
NOTE:
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.
NOTICE: 
This equipment has been tested and found to comply with the limits for a Class B
digital device, pursuant to Part 15 of th e FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installa-
tion. This equipment generate s, uses and can radiate radio frequency energy and, if
not installed and used in accordance with the instructions, may cause harmful inter-
ference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful inter-
ference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
●Reorient or relocate the receiving antenna.
●Increase the separation between the equipment and receiver.
●Connect the equipment into an outlet on a circuit different from that to which
the receiver is connected.
●Consult the dealer or an experienced radio/TV technician for help.
FCC WARNING: 
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
FCC ID: NI4TMLF-1

25
1-3. Opening, closing and locking the doors and trunk
1
Before driving
■Certification for wireless remote control (for vehicles sold in Canada)
NOTE:
Operation is subject to the following two conditions: (1) this device may not cause
interference, and (2) this device must accept any interference, including interfer-
ence that may cause undesired operation of the device.

26
1-3. Opening, closing and locking the doors and trunk
Doors
The vehicle can be locked and unlocked using the entry function, wireless
remote control or door lock switch.
■Smart access system with push-button start
 P.
1 5
■ W
ireless remote control
 P.
2 3
■ Door lock switch
Locks all doors
Unlocks all doors
■ Inside lock button
Locks the door
Unlocks the door
The front doors can be opened
by pulling the inside handles
even if the lock buttons are in
the lock position.

27
1-3. Opening, closing and locking the doors and trunk
1
Before driving
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.
Automatic door locking and unlocking systems
The following functions can be set or canceled:
FunctionOperation
Shift position linked door
locking functionShifting the shift lever out of “P” locks all doors.
Shift position linked door
unlocking functionShifting the shift lever to “P” unlocks all doors.
Speed linked door locking
functionAll doors are locked when the vehicle speed is
approximately 12 mph (20 km/h) or higher.
Driver's door linked door
unlocking functionAll doors are unlocked when the driver's door is
opened within 10 seconds after turning the power
switch “OFF”.

28
1-3. Opening, closing and locking the doors and trunk
■Setting and canceling the functions
To switch between setting and canceling, follow the procedure below:
Close all the doors and switch the po
wer switch to “IG-ON”
mode. (Perform step 2 within 10 seconds.)
Shift the shift lever to “P” or “N”, press and hold the driver's door
lock switch (
or ) for 5 seconds then release.
The shift lever and switch position s corresponding to the desired func -
tion to be set or canceled are shown as follows.

When the setting or canceling operat ion is complete, all doors are locked
and then unlocked.
STEP1
STEP2
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

29
1-3. Opening, closing and locking the doors and trunk
1
Before driving
■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 “ACC” or “IG-ON” mode, or
the e
lectronic key is left in the vehicle. (However, depending on the key's location,
the system may not be able to detect 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.
4 6 9 )
■Customization
Settings (e.g. unlocking function using a key) can be changed. (P. 5 0 0 )
CAUTION
■To prevent an accident
Observe the following precautions while driving the vehicle. 
Failing to do so may result in a door openin g 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 front door while driving.
●Set the rear door child protector locks when children are seated in the rear seat.

30
1-3. Opening, closing and locking the doors and trunk
Tr u n k
The trunk can be opened using the trun k opener, entry function or wireless
remote control.
■ Wireless remote control
 P.
2 3
■ T
runk opener
Open the trunk lid.
■ Smar
t access system with push-button start
 P.
1 5