Chevrolet Silverado Classic 2007 Owner's Manual page 235

Manual Operation
You may manually adjust the air delivery mode
or fan speed.
w9x
(Fan): The switch with the fan symbol
allows you to manually adjust the fan speed.
Press the up arrow to increase fan speed and
the down arrow to decrease fan speed.
Pressing this button when the system is off will
turn the system on.
C
(Mode): Press this button to manually
change the direction of the airflow in your vehicle;
repeatedly press the button until the desired
mode appears on the display.
If you press the mode button to select an air
delivery mode, the display will change to show
you the selected air mode delivery. The display
will then show the current status of the system.
When the system is turned off, the display
will go blank after displaying the current status
of the system.
H
(Panel): This mode directs air to the
instrument panel outlets.
)
(Bi-Level): This mode directs warmer air to
the floor and cooler air to the instrument panel
outlets.
6
(Floor): This mode directs air to the floor
outlets.
-
(Defog): See "Defogging and Defrosting"
later in this section.
@
(Recirculation): Press this button to limit
the amount of outside air entering your vehicle.
The light on the recirculation button will glow.
This is helpful when you are trying to limit
odors entering your vehicle and for maximum
air conditioning performance in hot weather.
Press this button again to allow outside air to
enter the vehicle. The light on the recirculation
button will go off.
Pressing this button also cancels the auto
recirculation feature. To resume the auto
recirculation function, press the AUTO button.
Each time the vehicle is started, the system
will revert to the auto recirculation function.
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