I never experienced any trouble out of my 6 disc in-dash RBQ, until I unplugged my battery overnight. The next day everything worked except for the CD player. I cannot eject the discs and the mode select will not go to CD. Any help?

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2005 CRD, Racor Filterhead, elephant mod, straight piped, O.M.Emu HD springs/struts, Rocky Road strut cap, Old Man Emu HD rear springs + .5" spacer, skids, Al's A arms, Aussie Locker, TJM front bumper, Smittybuilt Winch, Yakima Racks, 245/75 Definity A/T's