2010 Lexus GX460 alarm

43
1-2. Opening, closing and locking the doors and trunk
1
Before driving
GX460_U.S.A. (OM60E69U)
■Note for locking the doors
●Touching the door lock sensor while wearing gloves may delay or prevent lock
operation. Remove the gloves and touch the lock sensor again.
●When the lock operation is performed using the lock sensor, recognition signals
will be shown up to two consecutive times. After this, no recognition signals will
be given.
●If the door handle becomes wet while the electronic key is within the effective
range, the door may lock and unlock repeatedly. Place the key in a position 6 ft.
(2 m) or more separate from the vehicle while the vehicle is being washed. (Take
care to ensure that the key is not stolen.)
●If the electronic key is inside the vehi cle and a door handle becomes wet during
a car wash, a message may be shown on the multi-information display and a
buzzer will sound outside the vehicle. To turn off the alarm, lock all the doors.
●The lock sensor may not work properly if it comes into contact with ice, snow,
mud, etc. Clean the lock sensor and attemp t to operate it again, or use the lock
sensor on the lower part of the door handle.
●Fingernails may scrape against the door during operation of the door handle. 
Be careful not to injure fingernails or damage the surface of the door.

44
1-2. Opening, closing and locking the doors and trunk
GX460_U.S.A. (OM60E69U)
■Note for the unlocking function
●Gripping the door handle when wearing a glove may not unlock the door.
●A sudden approach to the effective range or door handle may prevent the
doors from being unlocked. In this case, return the door handle to the original
position and check that the doors unlock before pulling the door handle again.
●If there is another electronic key in the detection area, it may take slightly longer
to unlock the doors after the door handle is gripped.
■When the vehicle is not driven for extended periods
●To prevent theft of the vehicle, do not le ave the electronic key within 6 ft. (2 m)
of the vehicle.
●The smart access system with push-button start can be deactivated in advance.
(  P. 7 8 1 )
■To operate the system properly
Make sure to carry the electronic key wh en 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 condition 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.)
■If the smart access system with push-button start does not operate properly
●Locking and unlocking the doors: Use the mechanical key. ( P. 7 3 8 )
●Starting the engine: P. 7 3 9

45
1-2. Opening, closing and locking the doors and trunk
1
Before driving
GX460_U.S.A. (OM60E69U)
■Electronic key battery depletion
●The standard battery life is 1 to 2 years.
●If the battery becomes low, an alarm will sound in the cabin when the engine will
stop. (P. 3 4 )
●As the electronic key always transmits radio waves, the battery will become
depleted even if the electronic key is not used. The following symptoms indicate
that the electronic key battery may be depleted. Replace the battery when nec-
essary. ( P. 6 4 2 )
• The smart access system with push-but ton start or the wireless remote con-
trol does not operate.
• The detection area becomes smaller.
• The LED indicator on the key surface does not turn on.
●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
• Cellular phones, cordless phones and battery chargers
• Recharging cellular phones or cordless phones
•Glass top ranges
• Table lamps
■When the electronic key battery is fully depleted
 P. 6 4 2
■Customization
Settings (e.g. smart access system with push-button start) can be changed. 
(Customizable features  P. 7 8 1 )

48
1-2. Opening, closing and locking the doors and trunk
GX460_U.S.A. (OM60E69U)
Wireless remote control
The wireless remote control can be used to lock and unlock the vehicle.
Locks all the doors
Unlocks all the doors
Pressing the button unlocks the
driver’s door. Pressing the but-
ton again within 3 seconds
unlocks the other doors.
Opens the windows and
moon roof (press and hold)
*
Opens the glass hatch (press
and hold)
The glass hatch can be opened
only when the back door is
closed.
Sounds the alarm (press and
hold) (P. 4 9 )
*: This setting must be customized
at your Lexus dealer.

49
1-2. Opening, closing and locking the doors and trunk
1
Before driving
GX460_U.S.A. (OM60E69U)
■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 to indicate that the windows and moon
roof are operating.
Glass hatch: A buzzer sounds once to indicate that the glass hatch have been
opened.
■Door lock buzzer
If an attempt to lock the doors is made when a door is not fully closed, a buzzer
sounds continuously. Fully close the door to stop the buzzer, and lock the vehicle
once more.
■Pa n i c m o d e
■Security feature
 P. 3 8
■Alarm
Using the wireless remote control to lock the doors will set the alarm system. 
(  P. 116)
When is pressed for longer than about
one second, an alarm will sound intermit-
tently and the vehicle lights will flash to deter
any person from trying to break into or dam-
age your vehicle. 
To stop the alarm, press any button on the
electronic key.

60
1-2. Opening, closing and locking the doors and trunk
GX460_U.S.A. (OM60E69U)
■When opening the glass hatch
●Open the glass hatch slowly and carefully.
●Use the glass hatch opener when the back door is closed.
■Opening the glass hatch while the rear window wiper is in operation
Rear window wiper operation will stop moving. Operation will recommence after
the glass hatch has been closed.
■Function to prevent the glass hatch bein g locked with the electronic key inside
●When all doors are being locked, closing the glass hatch with the electronic key
left inside the luggage compartment will sound an alarm. 
In this case, the glass hatch can be opened using the entry function.
●Even when the spare electronic key is put in the luggage compartment with all
the doors locked, the key confinement prev ention function can be activated so
the glass hatch can be opened. In order to prevent theft, take all electronic keys
with you when leaving the vehicle.
●Even when the electronic key is put in the luggage compartment with all the
doors are locked, the key may not be detected depending on the places and the
surrounding radio wave conditions. In this case, the key confinement prevention
function cannot be activate d, causing the doors to lock when the glass hatch is
closed. Make sure to check where the key is before closing the glass hatch.
■After closing the glass hatch
Check that the glass hatch is firmly locked. If it is not firmly locked, the rear window
wiper and washer will not operate correctly.

106
1-4. Opening and closing the windows and moon roof
GX460_U.S.A. (OM60E69U)
■Moon roof open reminder function
An alarm will sound when the driver’s door is opened with the moon roof not fully
closed and the “ENGINE START STOP” switch off.
■When the moon roof does not close normally
Perform the following procedure:
●If the moon roof closes but then re-opens slightlyStop the vehicle.
Press and hold “ ” on the .
*1
The moon roof will close, re-open and pause for approximately 10 sec-
onds.
*2 Then it will close again, tilt up and pause for approximately 1 sec-
ond. Finally, it will tilt down, open and close.
Check to make sure that the moon roof is completely closed and then
release the switch.
STEP1
STEP2
STEP3

116
1-6. Theft deterrent system
GX460_U.S.A. (OM60E69U)
Alarm
The system sounds the alarm and flashes the lights when forced entry is
detected.
■Triggering of the alarm
The alarm is triggered in the following situations:
●A locked door or glas s hatch is unlocked or opened in any way
other than using the entry function, wireless remote control or
mechanical key with the alarm being set. (The doors will lock
again automatically.)
● The hood is opened with the alarm being set.
■ Setting the alarm system
Vehicles without a navigation system Close the doors, glass hatch
and hood, and lock all the 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.