ok i went out of town for a rew weeks and when i came back my radio was all screwed up. its stuck on am it will not go to fm and it wont accept a cd..it just keeps saying initalizing then no cd. i have no idea whats wrong ive tried everything the shops thought i blew a fuse but we got it checked and thats not what it is. for awhile my car kept dying and when we would jump start it it was tuning on to an am station but i was able to change it, now it jjust stays on am...please give any advice?!?