If you have the radio Security Code, then one possible solution is to "reboot" it by removing the . (note : I don`t think these have a separate sfuse (or battery connection) for 5 minutes then replacing it. Enter the Security Code and see what happens(note : I don`t think these have a separate Security Code for the CD player...If you have any Audio Manuals with the car, then it might be worth checking)
RegWorts
May 2008