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 ...

Front Seats
The front seats have adjustable head restraints in the outboard seating positions. WARNING With head restraints that are not installed and adjusted properly, there is a greater chance that occupants ...

If the HUD Image Is Not Clear
• Is the HUD image too bright? • Are the windshield and HUD lens clean? If the HUD image is not correct, contact your dealer. Keep in mind that the windshield is part of the HUD system. ...