Have performed by software and hardware bypass. Unit functioned perfectly until I had batter replaced. Lost all personal programming and can't get back into the control panel to change my options back. They are not even available at stand-still as they once were. Please, someone help!

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Please Help!!! Anyone? I'll take any suggestions! Don't want to ride around without for weeks on end while Pioneer sorts this out if I can fix it myself

Your bypass probably failed. I was unable to access the system and navi settings until the hardward bypass was fixed.