trunk Lexus GS450h 2008 Using the audio system / LEXUS 2008 GS450H (OM30A96U) User Guide

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■Effective range (areas within wh ich the electronic key is detected)
When locking or unlock-
ing the doors
The system can be oper-
ated when the electronic
key is within about 2.3 ft.
(70 cm) of an outside door
handle. (Only the doors
detecting the key can be
operated.)
When unlocking the trunk
The system can be oper-
ated when the electronic
key is within about 2.3 ft.
(70 cm) of the trunk
release button.
When starting the hybrid
system or changing modes
The system can be oper-
ated when the electronic
key is inside the vehicle.

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1-3. Opening, closing and locking the doors and trunk
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Before driving
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October 23, 2015 1:02 pm
■Operation signals
●Doors: A buzzer sounds and the emergency flashers flash to indicate that the
doors have been locked/unlocked. (Locked: Once; Unlocked: Twice)
●Windows and moon roof: A buzzer sounds when the windows and moon roof
begin to close.
■Door lock buzzer
If a door is not fully closed, a buzzer sounds continuously if an attempt to lock the
door is made. Fully close the door to stop the buzzer, and lock the vehicle once
more.
■Conditions affecting operation
The smart access system with push-button start uses weak radio waves. In the fol-
lowing situations, the communication between key and vehicle may be affected,
preventing the smart access system with push-button start and wireless remote
control from operating properly. (Way of coping: P. 5 3 1 )
●When the electronic key battery is depleted
●Near a TV tower, electric power plant, gas station, radio station, large display,
airport or other facility that generates strong radio waves or electrical noise
●When carrying a portable radio, cellular phone, cordless phone or other wire-
less communication devices
●When the electronic key has come into contact with, or is covered by a metallic
object
●When multiple electronic keys are in the vicinity
●When carrying or using the electronic key together with the following devices
that emit radio waves
• Another vehicle’s electronic key
• A wireless key that emits radio waves
• Personal computer
●If window tint with a metallic content or metallic objects are attached to the rear
window

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October 23, 2015 1:02 pm
■Switching the door unlock function
It is possible to set which doors the entry function unlocks using the wireless remote
control.
Turn the “POWER” switch OFF.
When the indicator light on the key surface is not on, press and
hold , , or for approximately 5 seconds while pressing and
holding .
The setting changes each time an operatio n is performed, as shown below. (When
changing the setting continuously, release th e buttons, wait for at least 5 seconds,
and repeat step 2.)
STEP1
STEP2
Multi-information
displayUnlocking doorsBeep
Hold the driver’s door handle
to unlock only the driver’s
door
Exterior: Beeps 3 times
Interior: Rings once
Hold a passenger’s door han-
dle to unlock all the doors
Hold the door handle to
unlock the front and rear
doors on your sideExterior: Beeps 4 times
Interior: Rings once
Hold the door handle to
unlock the doorExterior: Beeps once
Interior: Rings once
Hold a door handle to unlock
all doorsExterior: Beeps twice
Interior: Rings once

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Before driving
GS_HV_U
October 23, 2015 1:02 pm
Unlock the doors using the wireless remote control and open one of the
doors.
If a door is not opened within 60 seconds after is pressed, the doors
will be locked again and the alarm will automatically be set.
In case that the alarm is triggered, immediately stop the alarm. ( P. 9 0 )
■Battery-saving function
In the following circumstances, the entry func tion is disabled in order to prevent the
vehicle and electronic key batteries from discharging.
●When the entry function has not been used for 2 months or more
●When the electronic key has been left within approximately 3 ft. (1 m) of the
vehicle for 10 minutes or more
The system will resume operation when...
●The vehicle is locked using the door handle lock switch
●The vehicle is locked/unlocked using the wireless remote control function 
(  P. 47) or the mechanical key ( P. 5 3 1 )
■Electronic key battery depletion
●The standard battery life is 1 to 2 years. (The battery becomes depleted even if
the electronic key is not used.) If the smart access system with push-button start
or the wireless remote control function does not operate, or the detection area
becomes smaller, the battery may be depleted. Replace the battery when nec-
essary. (  P. 4 5 4 )
●To avoid serious deterioration, do not leave the electronic key within 3 ft. (1 m) of
the following electrical appliances that produce a magnetic field:
•TVs
• Personal computers
• Recharging cellular phones or cordless phones
• Table lamps
STEP3

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1-3. Opening, closing and locking the doors and trunk
GS_HV_U
October 23, 2015 1:02 pm
■To operate the system properly
Make sure to carry the electronic key when operating the system. Do not get the
electronic key too close to the vehicle when operating the system from the outside
of the vehicle.
Depending on the position and holding cond ition of the electronic key, the key may
not be detected corr ectly and the system may not operate properly. (The alarm may
go off accidentally, or the door lock prevention may not function.)
■Note for the smart access system with push-button start
●Even when the electronic key is within the effective range (detection areas), the
system may not operate properly in the following cases.
• The electronic key is too close to the window or outside door handle, near the
ground, or in a high place when the doors are locked or unlocked.
• The electronic key is near the ground or in a high place, or too close to the rear bumper center when the trunk is unlocked.
• The electronic key is on the instrument panel, rear package tray or floor, or in
the glove box when the hybrid system is started or “POWER” switch modes
are changed.
●As long as the electronic key is within the effective range, the doors may be
locked or unlocked by anyone.
●Even if the electronic key is not inside th e vehicle, it may be possible to start the
hybrid system if the electronic key is near the window.
●The doors may unlock if a large amount of water splashes on the door handle,
such as in the rain or in a car wash when the electronic key is within the effective
range. (The doors will automatically be locked after approximately 60 seconds
if the doors are not opened and closed.)

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October 23, 2015 1:02 pm
●Gripping the door handle when wearing a glove may not unlock the door.
●If the wireless remote control is used to lock the doors when the electronic key
is near the vehicle, there is a possibility that the door may not be unlocked by the
smart access system with push-button start. (Use the wireless remote control to
unlock the doors.)
●A sudden approach to the effective range or door handle operation may pre-
vent the doors from being unlocked. In this case, return the door handle to the
original position and check that the door s unlock before pulling the door handle
again.
■When the vehicle is not driven for extended periods
To prevent theft of the vehicle, do not leave the electronic key within 6 ft. (2 m) of
the vehicle.
■Security feature
If a door is not opened within approx imately 60 seconds after the vehicle is
unlocked, the theft deterrent system au tomatically locks the vehicle again.
■Alarms and warning indicators
A combination of exterior and interior alarms as well as warnings displayed on the
multi-information display are used to prevent theft of the vehicle and unforeseeable
accidents resulting from erroneous operation. Take appropriate measures in
response to any warning indications on the multi-information display. ( P. 5 1 3 )
The following table describes circumstances and correction procedures when only
alarms are sounded.

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October 23, 2015 1:02 pm
AlarmSituationCorrection procedure
Exterior alarm
sounds once for 2
seconds
Tried to lock the doors using
the entry function while the
electronic key is still inside
the passenger compartmentRetrieve the electronic
key from the passenger
compartment and lock
the doors again.
Closed the trunk while the
electronic key is still inside
and all doors are lockedRetrieve the electronic
key from the trunk and
close the trunk lid.
Exterior alarm
sounds once for 60
secondsTried to exit the vehicle with
the electronic key and lock
the doors without first turning
the “POWER” switch OFFTurn the “POWER”
switch OFF and lock the
doors again.
Exterior alarm
sounds once for 10
secondsTried to lock the vehicle using
the entry function while a
door is openClose all of the doors
and lock the doors
again.
Interior alarm
sounds continu-
ouslyTried to open the door and
exit the vehicle without shift-
ing the shift lever to “P”Shift the shift lever to
“P”.
Interior alarm rings
continuously
Switched to ACCESSORY
mode while the driver’s door
is open (Opened the driver’s
door when the “POWER”
switch is in ACCESSORY
mode.)
Turn the “POWER”
switch OFF and close
the driver’s door.
Turned the “POWER” switch
OFF while the driver’s door is
open
Close the driver’s door.

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October 23, 2015 1:02 pm
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors and trunk: Use the mechanical key. 
(  P. 5 3 1 )
●Starting the hybrid system:  P. 5 3 2
■When the electronic key battery is fully depleted 
 P. 4 5 4
■Customization that can be configured at Lexus dealer
Settings (e.g. smart access system with push-button start) can be changed. 
(Customizable features  P. 5 6 9 )
■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.
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 a ccept any interference, including interfer-
ence that may cause undesired operation of the device.
FCC ID: NI4TMLF-1

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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. (P. 3 7 ) T h e
radio waves may affect the operation of such devices. If necessary, the smart
access system with push-button start can be disabled. Ask your Lexus dealer for
details, such as the frequency of radio waves and timing of emitting the radio
waves. Then, consult your doctor to see if you should disable the smart access
system with push-button start.
●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 th e operation of such medical devices.
Ask your Lexus dealer for details for disabl ing the smart access system with push-but-
ton start.

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Before driving
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October 23, 2015 1:02 pm
Wireless remote control
■2-step unlocking function
When you push the button, the driver’s door is unlocked. Pushing the button
again within 3 seconds unlocks the other doors.
■Operation signals
●Doors: A buzzer sounds and the emergency flashers flash to indicate that the
doors have been locked/unlocked. (Locked: Once; Unlocked: Twice)
●Trunk: A buzzer sounds to indicate that the trunk has been unlocked.
●Windows and moon roof: A buzzer sounds to indicate that the windows and
moon roof are opening.
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. 9 1 )