light Lexus GX460 2012 Owner's Guide

105
1-4. Opening and closing the windows and moon roof
1
Before driving
GX460_U.S.A. (OM60J00U)
■The moon roof can be operated when
The “ENGINE START STOP” switch is in IGNITION ON mode.
■Operating the moon roof after turning the engine off
The moon roof can be operated for approximately 45 seconds even after the
“ENGINE START STOP” switch is turned to ACCESSORY mode or turned off. It
cannot, however, be operated once either front door is opened.
■Jam protection function
If an object is detected between the moon roof and the frame while the moon roof is
closing or tilting down, travel is stopped and the moon roof opens slightly.
■Sunshade
The sunshade can be opened and closed manually. However, the sunshade will
open automatically when the moon roof is opened.
■Door lock linked moon roof operation
The moon roof can be opened and closed using the mechanical key. (→ P. 7 3 9 )

106
1-4. Opening and closing the windows and moon roof
GX460_U.S.A. (OM60J00U)
■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

107
1-4. Opening and closing the windows and moon roof
1
Before driving
GX460_U.S.A. (OM60J00U)
●If the moon roof tilts down but then tilts back upStop the vehicle.
Press and hold “ ∧” on the
*1 until the moon roof moves into the tilt
up position and stops.
Release “ ∧” on the once and then press and hold “ ∧” on the
again.
*1
The moon roof will pause for approximately 10 seconds in the tilt up posi-
tion.
*2 Then it will adjust slightly and pause for approximately 1 second.
Finally, it will tilt down, open and close.
Check to make sure that the moon roof is completely closed and then
release the switch.
*1: If the switch is released at the incorrect time, the procedure will have to be performed again from the beginning.
*2: If the switch is released after the above mentioned 10 second pause,
automatic operation will be disabled. In that case, press and hold “ ∨”
on the or “ ∧” on the and the moon roof will tilt up and
pause for approximately 1 second. Then it will tilt down, open and
close. Check to make sure that the moon roof is completely closed
and then release the switch.
If the moon roof does not fully close even after performing the above procedure
correctly, have the vehicle inspected by your Lexus dealer.
STEP1
STEP2
STEP3
STEP4

110
1-5. Refueling
GX460_U.S.A. (OM60J00U)
Closing the fuel tank capAfter refueling, turn the fuel tank
cap until you hear a click. Once
the cap is released, it will turn
slightly in the opposite direction.
Hang the fuel tank cap on the
back of the fuel filler door.STEP3

114
1-5. Refueling
GX460_U.S.A. (OM60J00U)
CAUTION
■When refueling
Securely insert the fuel nozzle into the fuel filler neck. If fuel is added with the nozzle
slightly lifted away from the fuel filler neck, the automatic shut off function may not
operate, resulting in fuel overflowing from the tank.
■When replacing the fuel cap
Do not use anything but a genuine Lexus fuel tank cap designed for your vehicle.
Doing so may cause a fire or other incident which may result in death or serious
injury.
NOTICE
■Refueling
Do not spill fuel during refueling.
Doing so may damage the vehicle, such as causing the emission control systems to
operate abnormally or damaging fuel system components or the vehicle’s painted
surface.

115
1
Before driving
GX460_U.S.A. (OM60J00U)
1-6. Theft deterrent system
Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine
from starting if a 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.
Vehicles without a navigation systemThe indicator light flashes after
the “ENGINE START STOP”
switch has been turned OFF to
indicate that the system is oper-
ating.
The indicator light stops flashing
after the “ENGINE START
STOP” switch has been turned
to ACCESSORY or IGNITION
ON mode to indicate that the
system has been canceled.
Vehicles with a navigation system The indicator light flashes after
the “ENGINE START STOP”
switch has been turned OFF to
indicate that the system is oper-
ating.
The indicator light stops flashing
after the “ENGINE START
STOP” switch has been turned
to ACCESSORY or IGNITION
ON mode to indicate that the
system has been canceled.

117
1
1-6. Theft deterrent system
Before driving
GX460_U.S.A. (OM60J00U)
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 when the alarm is
set:
● A locked door or glass hatch 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.
■ 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.

118
1-6. Theft deterrent system
GX460_U.S.A. (OM60J00U)
■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
following:
●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.
Vehicles with a navigation systemClose 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.
■Deactivating or stopping the alarm
Do one of the following to de activate or stop the alarms:
● Unlock the doors.
● Start the engine. (The alarm will be deactivated or stopped after a
few seconds.)

119
1-6. Theft deterrent system
1
Before driving
GX460_U.S.A. (OM60J00U)
■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 are locked automatically to prevent
intruders.
●Do not leave the key inside the vehicle when the alarm is operating, and make
sure the key is not inside the vehicle when recharging or replacing the battery.
■Alarm memory function
After the alarm is activated, when you unlock any door using a entry function, wire-
less remote control or mechanical key, the tail lights turn on for about 2 seconds to
inform you that the system was activated.
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.
●A person inside the vehicle opens a door
or hood.
●The battery is recharged or replaced
when the vehicle is locked.

124
1-7. Safety information
GX460_U.S.A. (OM60J00U)
SRS airbag system componentsFront passenger occupant
classification system (ECU
and sensors)
Knee airbag
Curtain shield airbag
Front passenger airbag
“A I R B A G O N ” a n d “A I R B A G
OFF” indicator lights
Side and curtain shield airbag
sensor
Front side airbag
SRS warning light and “RSCA
OFF” indicator light Rear side (if equipped) and
curtain shield airbag sensor
Rear side airbag (outer second
seat) (if equipped)
Driver airbag
Driver’s seat belt buckle switch
Floor sensor
“RSCA OFF” switch
Airbag sensor assembly
Front airbag sensor
Front passenger’s seat belt
buckle switch