Answers: Any time your battery dies or is disconnected, or replaced, the anti-theft circuit that runs through the radio, go into a security mode because it think the car be stolen. You will have to stir to a dealer to carry the security reset. It is the just way, short of have someone cut wires and by pass stuff, but I don't recommend that.
whip it to autozone and let them read the codes for FREE and they will lt you know what you want to do
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