2010 Lexus GS450h Using The Audio System / LEXUS 2010 GS450H OWNERS MANUAL (OM30C81U)

89
1-5. Opening and closing the windows and moon roof
1
Before driving
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
CAUTION
■When closing the windows
Observe the following precautions. 
Failing to do so may result in death or serious injury.
●Check to make sure that all passengers do not have any part of their body in a
position where it could be caught when a window is being operated.
●Do not allow children to operate the power windows. 
Closing a power window on someone can cause death or serious injury.
■Jam protection function
●Never try jamming any part of your body to activate the jam protection function
intentionally.
●The jam protection function may not work if something gets caught just before
the window fully closes.

90
1-5. Opening and closing the windows and moon roof
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
Moon roof
: If equipped
Use the overhead switches to open, close, and tilt the moon roof up and
down.
■Opening and closing
Open
Stops just before it is opened
fully. Press the switch again to
fully open.
Close
To stop partway, press the switch
lightly.
■Tilt up and down
Ti l t u p
Tilt down
To stop partway, press the switch
lightly.

91
1-5. Opening and closing the windows and moon roof
1
Before driving
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
■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. 575)
●The moon roof can be opened using the wireless remote control if customized
at your Lexus dealer.
* (P. 5 3 )
*: This function cannot be customized unless power window operation using the
wireless remote control is enabled.
■Operating the moon roof after turning the “POWER” switch OFF
The moon roof can be operated for approximately 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 automatically ( 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.

92
1-5. Opening and closing the windows and moon roof
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
■When the moon roof does not close normally
Perform the following procedure:
●If the moon roof closes but then re-opens slightly
Stop the vehicle.
Press and hold the “CLOSE” switch.
*1
The moon roof will close, reopen 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.
●If the moon roof tilts down but then tilts back up
Stop the vehicle.
Press and hold the “UP” switch
*1 until the moon roof moves into the tilt up
position and stops.
Release the “UP” switch once and then press and hold the “UP” switch
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 the
“CLOSE” or “UP” switch, 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
STEP1
STEP2
STEP3
STEP4

93
1-5. Opening and closing the windows and moon roof
1
Before driving
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
■Customization that can be configured at Lexus dealer
Settings (e.g. linked door lock operation) can be changed. 
(Customizable features P. 6 1 7 )
CAUTION
■When opening the moon roof
Observe the following precautions.
Failing to do so may cause death or serious injury.
●Do not allow any passengers to put their hands or heads outside the vehicle while
it is moving.
●Do not sit on top of the moon roof.
■When closing the moon roof
Observe the following precautions. 
Failing to do so may result in death or serious injury.
●Check to make sure that all passengers do not have any part of their bodies in a
position where they could be caught when the moon roof is being operated.
●Do not allow children to operate the moon roof. 
Closing the moon roof on someone can cause death or serious injury.
■Jam protection function
●Never try jamming any part of your body to activate the jam protection function
intentionally.
●The jam protection function may not work if something gets caught just before
the moon roof fully closes.

94
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
1-6. Refueling
Opening the fuel tank cap
Perform the following steps to open the fuel tank cap.
■Before refueling the vehicle
Turn the “POWER” switch OFF and ensure that all the doors and
windows are closed.
■Opening the fuel tank cap
Press the fuel filler door opener
switch.
The screen to the left is dis-
played for a short period. Wait
until “REFUEL READY” is dis-
played, then proceed to the next
step.
Turn the fuel tank cap slowly to
open.
STEP1
STEP2
STEP3

95
1-6. Refueling
1
Before driving
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
Closing the fuel tank cap
After refueling, turn the fuel tank
cap clockwise until you hear a
click. The cap will revolve slightly in
the opposite direction once
released.
Hang the fuel tank cap on the
back of the fuel filler door.STEP4

96
1-6. Refueling
GS_HV_U (OM30C81U)
January 28, 2010 10:42 am
■Fuel types
Use premium unleaded gasoline. (Octane Rating 91 [Research Octane Number
96] or higher)
■Fuel tank capacity
Approximately 17.2 gal. (65 L, 14.3 Imp.gal.)
■Open fuel filler door warning
P. 5 5 4
■When the fuel filler door opener switch is inoperable
If the fuel filler door opener switch is inopera-
ble, contact your Lexus dealer to service the
vehicle. If you must refuel your vehicle, you
can open the fuel filler door manually as
shown. The system to lower internal pressure
may not be functioning so you must turn the
cap slowly as the pressure releases. In addi-
tion, fuel may spill out during refueling. Fill the
fuel tank carefully and slowly.