I've got a 52 reg S3 with the double din head unit and my stereo is locked, It went in to get the clutch done and when it came back I had to put the code in as the battery was disconnected. Turns out the code I have in my book isnt the one for the stereo so I'ne now locked it and for some reason i cant pull the head unit out, I've took it to halfords and they cant get it out either.. Its like the springs in the key slots are fekked and isnt releasing it. How else can I get it out?