Just got home from doing a few things and when I took the key out of my truck my head unit wouldn't turn off. Amp was on and music kept playing but the key wasn't in and the door was open. Usually it all shuts down when you take the key out an open the door. I have a pioneer DEH-x8500BH. Everything shuts down when i take the face plate off but i shouldn't have to do that for it all to shut off. Any help you guys could give me I would really appreciate. Thanks everyone.