GMC 2009 Acadia - Manual (Page 144)

Climate Controls
Climate Control System
The heating, cooling, and ventilation in the vehicle can be controlled with this
system.
A. Fan Control
B. Temperature Control
C. Air Delivery Mode Control
D. Air Conditioning
E. REAR (Rear Climate Control)
F. Recirculation
G. Rear Window Defogger
9 (Off): Turn the fan control all the
way counterclockwise to turn the
front climate control system off.
9 (Fan Control): Turn clockwise
or counterclockwise to increase
or decrease the fan speed.
Temperature Control: Turn
clockwise or counterclockwise
to increase or decrease the
temperature of the air flowing
from the system.
Air Delivery Mode Control: Turn
clockwise or counterclockwise
to change the current airflow mode.
By positioning the right knob
between two modes, a combination
of those two modes is selected.
H (Vent): Air is directed to
the instrument panel outlets.
) (Bi-Level): Air is divided
between the instrument panel
and floor outlets. Some 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.
3-22 Instrument Panel