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:

    Erasing Speed Memory
    The cruise control set speed is erased from memory by pressing or if the ignition is turned off. ...

    Headlamp High/Low-Beam Changer
    (Headlamp High/Low-Beam Changer): Push the turn signal/ lane change lever away from you and release, to turn the high beams on. To return to low beams, push the lever again or pull it toward yo ...

    Lamp Messages
    AFL (Adaptive Forward Lighting) LAMPS NEED SERVICE This message displays when the Adaptive Forward Lighting (AFL) system is disabled and needs service. See your dealer. See Adaptive Forwa ...