See also:

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. ...

Windshield Replacement
If the vehicle is equipped with the Head-Up display (HUD) system and the windshield needs to be replaced, get one that is designed for HUD or the HUD image may look out of focus. ...

Inserting a Disc
Insert a disc partway into either slot, label side up. The player pulls it in and the disc should begin playing. (Loading a disc into the system, depending on media type and format, ranges from 5 to ...