Manual Operation - Chevrolet 2008 Avalanche Owner's Manual

Manual Operation

You may manually adjust the air delivery mode or fan
speed.
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(Fan): The buttons with the fan symbols
allow you to manually adjust the fan speed. Press the
up arrow to increase fan speed and the down arrow
to decrease fan speed.
Pressing one of these buttons when the system is off
will turn the system on. Pressing one of these buttons
when in automatic control will place the fan under
manual control. The fan setting will remain displayed
and the AUTO light will turn off. The air delivery
mode will remain under automatic control.
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(Mode): Press the mode up and down buttons
to manually change the direction of the airflow in your
vehicle. Repeatedly press the button until the desired
mode appears on the display. Pressing one of these
buttons when the system is off will change air delivery
mode without turning the system on. Pressing one of
these buttons when in automatic control will place the
mode under manual control.
The air delivery mode setting will be displayed and
the AUTO light will turn off. The fan will remain under
automatic control.
H
(Vent): This setting will deliver air to the instrument
panel outlets.
)
(Bi-Level): This mode directs half of the air to the
instrument panel outlets and to the floor outlets. The flow
can be divided between vent and floor outlets depending
upon where the knob is placed between the settings.
A little air is directed towards the windshield and side
window outlets. Cooler air is directed to the upper outlets
and warmer air to the floor outlets.
6
(Floor): This mode directs most of the air to
the floor outlets, with some of the air directed to the
windshield, side window outlets, and second row floor
outlets. In this mode, the system will automatically select
outside air.
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(Defog): See "Defogging and Defrosting" later in
this section.
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