See also:

Roof Rack System
The roof rack cross rails can be locked in four positions along the roof rack side rails. Lift the lever to release and move the cross rail. Push the lever down to completely engage into the side ...

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 ...

Securing an Add-On Child Restraint in the Vehicle
WARNING A child can be seriously injured or killed in a crash if the child restraint is not properly secured in the vehicle. Secure the child restraint properly in the vehicle using the vehicle safet ...