2008 Lexus GX470 Owner's Manual

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3-1. Using the air conditioning system and defogger
Automatic air conditioning system
Airflow and outlets are automatically adjusted according to the tempera-
ture setting.
With navigation system
Owners of models equipped with a navigation system should refer to the
“Navigation System Owner’s Manual”.
Without navigation system
Automatic mode Driver’s side temperature displayFan speed
Off
Airflow display
Passenger’s side temperature display
Changes the air outlets used
Driver’s side temperature control Air conditioning ON/OFF switch
Outside air or
recirculated mode Windshield defogger
Passenger’s side temperature control
Fan speed display
Dual operation switch

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3-1. Using the air conditioning system and defogger
3
Interior features
Using the automatic mode
Press .
The air conditioning system will begin to operate. Air outlets and
fan speed are automatically adjusted according to the tempera-
ture setting.
Press ∧ to increase the temperature and ∨ to decrease the tem-
perature on the .
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 the .
Press ∧ (increase) or ∨ (decrease) on the to separately adjust the
temperature for the passenger and driver sides (dual mode). Press 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 pressed.
■ Adjusting the fan speed
Press ∧ (increase) or ∨ (decrease) on the button.
Press to turn the fan off.
STEP1
STEP2

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3-1. Using the air conditioning system and defogger
■Changing the air outlets
Press .
The air outlets switch each time the
button is pressed.
Air flows to the upper body.
Air flows to the upper body and
feet.
Air flows to the feet.
Air flows to the feet and the
windshield defogger operates.
■ Switching between outside air and recirculated air modes
Press .
The mode switches between (recycles air inside the vehicle) and
(introduces air from outside the vehicle) modes each time the button
is pressed.

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Interior features
Defogging the windshield
Press
.
The air conditioning system control
operates automatically.
Adjusting the position of and op ening and closing the air outlets
Center outlets Direct air flow to the left or right,
up or down
Turn the knob to open or close
the vent
Side outlets Direct air flow to the left or right,
up or down
Turn the knob right to open the
vent and left to close the vent

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3-1. Using the air conditioning system and defogger
■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 not operate even when is pressed.
■When the indicator light on flashes
Press
and turn off the air conditioning system before turning it on once more.
There may be a problem in the air conditioning system if the indicator light contin-
ues to flash. Turn the air conditioning system off and have it inspected by your Lexus
dealer.

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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 outside air and that of the windshield can
cause the outer surface of the windshield to fog up, blocking your vision.
NOTICE
■To prevent battery discharge
Do not leave the automatic air conditioning system on longer than necessary when
the engine is stopped.

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Rear cooler system
NOTICE
■To prevent battery discharge
Do not leave the rear cooler on longer than necessary when the engine is off.
Rear cooler vents
Fan speed control button
Push either side to adjust the fan speed.
“AUTO” mode: Fan speed is automatically adjusted. Can only be set
if the front air conditioning fan speed is set to “AUTO”.
“REAR COOL” button
Turns the rear cooler on and off.
Does not operate if the front air conditioning is off.
“TEMP” (temperature control) button
Push either side to adjust the temperature.
The rear cooler temperature can be adjusted to within ±10°F
(± 5°C) of the front air conditioning temperature.

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Interior features
Rear window and outside rear view mirror defoggers
These features are used to defog the rear window, and to remove rain-
drops, dew and frost from the outside rear view mirrors.
■Rear window defogger
With navigation system
ON/OFF
Without navigation system ON/OFF
■ Outside rear view mirror defogger
ON/OFF