I've tried recently to unlock my radio after a battery had been changed. The code i had in the handbook was wrong so i had to take it into the dealers today to get them to get the code. No prices were mentioned when i asked them about this so i thought i'd get it for free. hahaha no when i went to get the code later today, i was hit with bill for £25 too expensive for such a little job. The dealers were MK seat (milton Keynes) beware