See also:

Tailgate Removal
The tailgate can be removed to allow for different loading situations. Assistance may be needed with the removal to avoid damage to the vehicle. On vehicles with a Rear Vision Camera, it must be dis ...

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 ...

Global Positioning System (GPS)
○ Obstruction of the GPS can occur in a large city with tall buildings; in parking garages; around airports; in tunnels, underpasses, or parking garages; or in an area with very dense trees. ...