See also:

Overview
The GMC Sierra All Terrain HD concept is an exploration of heavy-duty truck capability combined with greater off-road versatility. It is highlighted by a bold exterior design, enhanced all-terrain ...

Active Fuel Management®
Vehicles with V8 engines may have Active Fuel Management™. This system allows the engine to operate on either all or half of its cylinders, depending on the driving conditions. When less power is r ...

Climate Control Systems
The vehicle's heating, cooling, defrosting, and ventilation can be controlled with this system. A. Fan Control B. Air Delivery Mode Controls C. Temperature Control D. Outside Air E. Front ...