See also:

Using the Outside Mirror with the Blind Spot Mirror
1. Set the main mirror so that the side of the vehicle can just be seen and the blind spot mirror has an unobstructed view. 2. When checking for traffic or before changing a lane, look at the main ...

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. ...

New for 2012
E85 ethanol capability is now available for the 2.4-liter Ecotec four-cylinder engine. A touch-screen CD stereo is standard on all models, and GMC IntelliLink enables smartphone integration and th ...