2010 Lexus GS350 air conditioning

246
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
3-2. Using the air conditioning system and defogger
Automatic air conditioning system
Airflow and outlets are automatically adjusted according to the tempera-
ture setting.
Press
to display the air conditioning operation screen.
The illustrations below are for vehicles with navigation system.
The display and button positions will differ depending on the type of the sys-
tem.
Automatic mode Driver’s side 
temperature display
Fan speed display
OffAirflow display Air conditioning operation
screen display button
Passenger’s side 
temperature 
display
Micro dust and pollen filter Driver’s side 
temperature control Air conditioning 
ON/OFF switch
Outside air or recirculated mode
Windshield defoggerPassenger’s side 
temperature control Dual operation switch

247
3-2. Using the air conditioning system and defogger
3
Interior features
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
Using the voice command system (with navigation system)
Press the talk switch to operate the
voice command system. 
(“Navigation System Owner’s
Manual”)
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.
STEP1
STEP2
STEP3

248
3-2. Using the air conditioning system and defogger
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
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
“DUAL” 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
“DUAL” is touched.
■Adjusting the fan speed
Touch any switch of “LO” to “HI” (decrease increase) on the oper-
ating screen.
Press to turn the fan off.

249
3-2. Using the air conditioning system and defogger
3
Interior features
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■Changing the air outlets
Touch any mode on the operating
screen.
Upper body
*: Only in the automatic mode
Upper body and feet
Feet
Feet and the windshield defogger operates

250
3-2. Using the air conditioning system and defogger
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■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.
Defogging the windshield
Press
.
The air conditioning system control
operates automatically.

251
3-2. Using the air conditioning system and defogger
3
Interior features
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
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.
Adjusting the sensitivity of the air intake control in automatic mode
Press until the smog sensor screen appears while the
vehicle is stopped.
Touch any switch of “LO” to “HI”
(lower sensitivity higher sensi-
tivity) on the operating screen.
STEP1
STEP2

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3-2. Using the air conditioning system and defogger
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
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
Rear seat outlets
Direct air flow to the left or right,
up or down
Turn the knob to open or close
the vent

253
3-2. Using the air conditioning system and defogger
3
Interior features
GS_G_U (OM30C80U)
June 29, 2011 10:30 am
■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.
●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.
■Switching between outside air and recirculated air modes
Recirculated air mode or outside air mode may be automatically switched to in
accordance with the temperature setting and the inside temperature.
■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 not operate even when
“A / C ” is touched.
■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.