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 ...

Door Locks
To lock or unlock a door manually: • From the inside use the door lock knob on the window sill. • From the outside turn the key toward the front or rear of the vehicle, or press the or but ...

Power Sliding Rear Window
On vehicles with a power sliding rear window, the switch is located in the overhead console. See Rear Windows on page 2‑19. • Push the switch to open the window. • Pull the switch to c ...