GMC 2007 Yukon XL, Owner'S Manual

Page: 234 / 630

Manual Operation
You may manually adjust the air delivery mode or
fan speed.
y9 z
(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.
y
N
z
(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 half 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.
-
(Defog): See “Defogging and Defrosting” later
in this section.
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