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:

    Instrument Panel Overview
    A. Air Vents . B. Headlamp High/Low-Beam Changer. Turn and Lane-Change Lever. See Turn and Lane-Change Signals . Driver Information Center (DIC) Buttons. See Driver Information Center (DIC) . ...

    Engine Compartment Fuse Block
    To open the fuse block cover, press the clips at the front and back and rotate the cover up to the side. Notice: Spilling liquid on any electrical component on the vehicle may damage it. Always ...

    Using the Dial Command
    1. Press . ► For vehicles without a navigation system, the system responds “Ready,” followed by a tone. ► For vehicles with a navigation system, the system responds with a tone. Aft ...