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 ...

Power Seats
To adjust a power seat, if equipped: • Move the seat forward or rearward by sliding the control forward or rearward. • If available, raise or lower the front or rear part of the seat cushion ...

Power Outlets
Accessory power outlets can be used to plug in electrical equipment, such as a cell phone, MP3 player, etc. The vehicle may have two accessory power outlets located below the climate control system, ...