See also:

Power Outlets
The vehicle has 12-volt outlets that can be used to plug in electrical equipment, such as a cell phone or MP3 player. The power outlets are located on the instrument panel below the climate controls, ...

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 ...

Leaving the Vehicle With the Engine Running
WARNING It can be dangerous to leave the vehicle with the engine running. The vehicle could move suddenly if the shift lever is not fully in P (Park) with the parking brake firmly set. If you have ...