See also:

2011 GMC Sierra 2500HD Review
The "professional grade" brand unveiled the 2011 GMC Sierra Heavy Duty lineup at the 2010 NTEA Work Truck Show. Most of the technical specifications of GM's HD pickups are identical, but ...

Fog Lamps
The fog lamps control is located on the turn/lane change lever. Use the fog lamps for better vision in foggy or misty conditions. FOG (Fog Lamps): Turn the fog lamp band on the lever to and re ...

Driving on Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get hot and ...