2010 GMC Acadia Owner's Manual - Page 248

8-4 Climate Controls 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. Dual Automatic Climate Control System The heating, cooling, and ventilation in the vehicle can be controlled with this system. 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. 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) The climate control system will also turn on if either the fan control, defrost, AUTO, or air conditioning buttons are pressed. J. Rear Window Defogger K. Air Conditioning L. PASS (Passenger) M. Passenger Side Temperature Control