See also:

Using the DVD Player
The DVD player can be controlled by the buttons on the remote control, the RSA system, or by the buttons on the radio faceplate. See “Remote Control” under Rear Seat Entertainment (RSE) System on ...

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. ...

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system statu ...