An aspect of the invention provides a method for providing satellite radio service in a vehicle. The supplemental spine fixation device includes a guide and spacer for distracting apart adjacent spinous processes and the device has hook members which hook about the first and second spinous processes. The power assisted cover actuator in accordance with an embodiment of the present invention comprises a track upon which a trolley is guided by a linear actuator. Since the second secret key is also known by the master token database, the originally encrypted temporary key can be securely decoded only by a master token coupled to the master token database. During a predetermined time period, only packets that identify the session identifier, a network address of the local media endpoint, a port of the local media endpoint, a network address of the remote media endpoint, and any port of the remote media endpoint are passed.