anyone local south texas that could possbly help me unlock or tell me how to get into test mode on avh 4200 nex >>>any help or a good direction to start would be great .... thanks bought this unit from a guy and he jacked me i cant even use it and already paid to get it installed ... and removed :? :? :?

i have the same problem with my AVH-X8800BT after after engine start..... i need help to....