See also:

Vehicle Customization
Some vehicle features can be programmed by using the DIC buttons next to the steering wheel. These features include: • Language • Door Lock and Unlock Settings • RKE Lock and Unlock Feedback ...

New for 2011
The Sierra Hybrid gets GM's OnStar 9.0 telematics system that GM says provides better voice recognition. GM also said they have worked to cut down on the amount of wind noise occupants hear. ...

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 ...