Patent ID: 7599610

Claim:
A method for presenting audio/visual tracks, said tracks having track identification attributes, said method comprising the steps of: detecting activation of a first input device of a head unit connected to a content server, where the head unit is adapted to communicate with a disc changer, the first input device assigned to a first default function of the disc changer, and the content server adapted to emulate the disc changer; reading a mapping file to override the first default function and output an indication of a first mode; receiving the indication of the first mode of a set of modes, each mode is associated with a different track identification attribute, each mode includes one or more playlists of tracks, each playlist of a particular mode is based on a different value for said track identification attribute associated with said particular mode; receiving a first value of the track identification attribute; accessing a first playlist for said first mode and first value of the track identification attribute; and playing tracks according to said first playlist.