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:

    Battery Replacement
    Replace the battery if the REPLACE BATTERY IN REMOTE KEY message displays in the DIC. See “REPLACE BATTERY IN REMOTE KEY” under Key and Lock Messages. The battery is not rechargeable. T ...

    Electric Parking Brake Light
    The Electric Parking Brake (EPB) light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. The parking brake status light comes on w ...

    Infotainment System Overview
    The infotainment system is controlled by using the buttons on the faceplate and the touch screen. See “Infotainment Control Buttons” in this section for more information. A. VOL/ (Volum ...