See also:

DIC Operation and Displays
Use the DIC buttons located in the center of the instrument panel to access different displays. The DIC displays trip, fuel, vehicle system information, and warning messages. It also shows the shi ...

Climate Controls
The vehicle's heating, cooling, defrosting, and ventilation can be controlled with these systems. Climate Control System A. Fan Control B. Air Delivery Mode Controls C. Temperature Control ...

Powertrain details
The GMC Sierra All Terrain HD concept is propelled by the new, production 6.6L Duramax turbo-diesel V-8 and Allison 1000 six-speed automatic transmission powertrain combination offered in the 2011 ...