2008 Lexus GS450h Using other driving systems / LEXUS 2008 GS450H OWNER'S MANUAL (OM30A96U)

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3-2. Using the air conditioning system and defogger
3
Interior features
GS_HV_U
December 12, 2007 3:30 pm
Using the automatic mode
Press .The air conditioning system will begin to operate. Air outlets
and fan speed are automatically adjusted according to the
temperature setting.
Press to switch to automatic mode.
Automatically switches between outside air and recirculated
air modes.
Press  to increase the temperature and  to decrease the tem-
perature on .
The temperature for the driver and passenger seats can be set sepa-
rately.
Adjusting the settings ■ Adjusting the temperature setting
Press  to increase the temperature and  to decrease the tempera-
ture on .
Press  (increase) or  (decrease) on to separately adjust the tem-
perature for the passenger and driver sides (dual mode). Touch to
return the driver and passenger side temperatures to the same setting
(simultaneous mode).
The air conditioning system switches between dual and simultaneous
modes each time is touched.
STEP1
STEP2
STEP3

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3-2. Using the air conditioning system and defogger
GS_HV_U
December 12, 2007 3:30 pm
■Adjusting the fan speed
Touch any switch of (decrease  increase) on the
operating screen.
Press to turn the fan off.
■ Changing the air outlets
Touch any mode on the operating
screen.
Air flows to the upper body.
*: Only in the automatic mode
Air flows to the upper body and
feet.

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3-2. Using the air conditioning system and defogger
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Interior features
GS_HV_U
December 12, 2007 3:30 pm
Air flows to the feet.
Air flows to the feet and the wind-
shield defogger operates.
■ Switching between outside air and recirculated air modes
Press .
The mode switches between (recycles air inside the vehicle), “AUTO”
and (introduces air from outside the vehicle) modes each time the
button is pressed.
When the system is switched to automatic mode, the air conditioning sys-
tem operates automatically.

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3-2. Using the air conditioning system and defogger
GS_HV_U
December 12, 2007 3:30 pm
Defogging the windshield
Press
.
The air conditioning system control
operates automatically.
Micro dust and pollen filter
Press .
Outside air mode switches to (recirculated air) mode. Pol-
len is removed from the air and the
air flows to the upper part of the
body.
Usually the system will turn OFF
automatically approximately 3
minutes later.
To stop the operation, press
again.

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3-2. Using the air conditioning system and defogger
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Interior features
GS_HV_U
December 12, 2007 3:30 pm
Adjusting the sensitivity of the ai r intake control in automatic mode
Press until the smog senso r screen appears while the
vehicle is stopped.
Touch any switch of (lower sensi-
tivity higher sensitivity) on the
operating screen.
Adjusting the position of and opening and closing the air outlets
Front outlets Direct air flow to the left or right,
up or down
Turn the knob to open or close
the vent
STEP1
STEP2

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3-2. Using the air conditioning system and defogger
GS_HV_U
December 12, 2007 3:30 pm
Rear seat outlets
Direct air flow to the left or right,
up or down
Turn the knob to open or close
the vent
■Using the automatic mode
Fan speed is adjusted automatically in accordance with the temperature setting and
ambient conditions. As a result, the following may occur.
●The system may switch automatically to recirculated mode when the coolest
temperature setting is selected in summer.
●Immediately after the switch is pressed, the fan may stop for a while until warm
or cool air is ready to flow.
●Cool air may flow to the area around the upper body when the heater is on.
■Using the system in recirculated air mode
The windows will fog up more easily if the recirculated air mode is used for an
extended period.
■Window defogger feature
Recirculated air mode may automatically switch to
(outside air) mode in situ-
ations where the windows need to be defogged.
■Outside temperature approaches 32 F (0C)
The air conditioning system may no t operate even when is touched.

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3-2. Using the air conditioning system and defogger
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Interior features
GS_HV_U
December 12, 2007 3:30 pm
■Automatic mode for air intake control
In automatic mode, the system detects exhaust gas and other pollutants and auto-
matically switches between outside air and recirculated air modes.
When the air conditioning is off, and the fan is operating, turning the auto mode ON
will activate the air conditioning system.
■Micro dust and pollen filter
●In order to prevent the windows from fogging up when the outside air is cold,
the following may occur.
• Outside air mode does not switch to .
• The air conditioning system operates automatically.
• The operation cancels after 1 minute.
●In rainy weather, the windows may fog up. Press .
CAUTION
■To prevent the windshield from fogging up
Do not use during cool air operation in extremely humid weather. The differ-
ence between the temperature of the outs ide air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE
■To prevent 12 volt battery discharge
Do not leave the automatic air conditioning system on longer than necessary when
the hybrid system is off.

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3-2. Using the air conditioning system and defogger
GS_HV_U
December 12, 2007 3:30 pm
Rear window and outside re ar view mirror defoggers
■Operating conditions
The “POWER” switch must be in the ON mode.
CAUTION
■When the outside rear view mirror defoggers are on
Do not touch the rear view mirror surfaces , as they can become very hot and burn
you.
NOTICE
■To prevent 12 volt battery discharge
Turn the defoggers off when the hybrid system is off.
These features are used to defog the rear window, and to remove rain-
drops, dew and frost from the outside rear view mirrors.
Press the button.
Press the button to turn on the
rear window and outside rear
view mirror defoggers. The
defoggers will automatically
turn off after approximately 15
minutes. Pressing the button
again also turns the defoggers
off.