GMC 2009 Acadia - Manual (Page 147)

Dual Automatic Climate Control System
The heating, cooling, and ventilation in the vehicle can be controlled with this
system.
A. Fan Control
B. AUTO
C. Defrost
D. Recirculation
E. REAR (Rear Climate Control)
F. Air Delivery Mode Control
G. Driver Side Temperature Control
H. Display
I. Power (On/Off)
J. Rear Window Defogger
K. Air Conditioning
L. PASS (Passenger)
M. Passenger Side Temperature
Control
Display Function
Each time the temperature, mode,
or fan control buttons are pressed,
the climate control display shows
that function along with the inside
temperature setting. The outside
temperature is displayed on the
instrument panel cluster.
O (On/Off): Press to turn the
climate control system on or off.
While the system is off, outside air
still enters through the floor outlets,
but the air delivery mode can be
adjusted.
The climate control system will also
turn on if either the fan control,
defrost, AUTO, or air conditioning
buttons are pressed.
Instrument Panel 3-25