Add-on Electrical Equipment

The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.

    See also:

    Touch Screen Buttons
    Touch screen buttons are on the screen and highlighted when a feature is available. Some screen buttons highlight when active and gray out when inactive. ...

    Connecting and Controlling a PlaysForSure Device (PFD) or Zune
    Connecting a PFD or Zune Connect the PFD or Zune to the USB port. Searching for a Track Tracks can be searched for by: Playlists Artists Albums Song Titles Podcasts Genres To searc ...

    QuietTuned for silent ride, comfort
    Like all other Buick models, Terraza benefits from QuietTuning, a comprehensive engineering program throughout the entire vehicle to ensure a silent ride. This includes new engine isolation measur ...