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 ...

Headlamps, Front Turn Signal, Sidemarker, and Parking Lamps
A. Side Marker Lamp B. Low-Beam Headlamp C. High-Beam Headlamp D. Park/Turn Signal Lamp 1. Open the hood. See Hood on page 10‑5 2. If you are replacing the bulb on the passenger side, remo ...

Electronic Transfer Case
The transfer case knob is located next to the steering column. Use the dial to shift into and out of four-wheel drive. ...