ok are you seeing a CODE on the face plate at all? Is this a honda/acura player? For whatever deck it is that you are getting and it is a factory honda radio/cd player you need the serial number off that player or deck. Get that get your code. Your code can be achevied from a honda official dealer. There are no try this code see if it works. Or hacks like some have mentioned on here. Its one serial number for one unique code or one of a kind. If you have the serial number pm me.