Update: It turns out a connection was loose on terminals hence no power. Unit is working now however new problem! It asks for radio code; I dont have this. Looking on forums I tried the following method: I entered random code 3 times until says please wait, I then entered >> AMEM PTY and code is deactivated and nav, bluetooth working but says Radio Off. Tried everything radio/cd will not work, sat nav is fine though. Also when I switch car off and turn back on the whole cycle starts again I.e. asks for radio code...no sat nav or phone works until do the whole >> AMEM PTY mallarkey...any tips gents?!