GMC Equinox 2010 Owner's Manual page 211

Automatic Climate Control System
The vehicle's heating, cooling, defrosting, and ventilation can be controlled
with this system.
A. Fan Control
B. AUTO
C. Air Delivery Mode Control
D. Defrost
E. Recirculation
Without Heated Seats
F. Temperature Control
G. Power
H. Air Conditioning
I. Rear Window Defogger
J. Outside Air
Climate Controls 7-3