• OS-1
    (Car Customization - Interfacing)

    The OS-1 is a plug and play interface that allows replacement of a General Motors factory stereo (without RDS option) and maintain operation of the OnStar® system. The OS-1 has on board switching, and amplifi cation to allow audio from the OnStar® system to play through the two front factory speakers when OnStar® is active, and mute the new replacement radio.