See also:

All Terrain chassis and suspension
Based on the chassis of the 2011 Sierra HD trucks, the All Terrain HD features a fully boxed steel frame with exceptional strength and torsional stiffness. It incorporates the production models' n ...

Under the Hood
GM's two-mode hybrid system enables "full" hybrid operation with the capability to cruise on electric power up to 30 mph. The gas engine kicks in if more acceleration is needed, as well ...

Safety Belts
Safety Belts Refer to the following sections for important information on how to use safety belts properly: • Safety Belts on page 3‑15. • How to Wear Safety Belts Properly on page 3& ...