Hi - having had a flat battery I now need the radio code! It does have a code on the service booklet but on entering this I got an error message so it cant be right! The details on the radio are E776 8200 292 3291 RNRD 2540001210 FD01 04530001210 RENRDW 270 - 10 I would very much appreciate any help anyone can give me - thanks in advance!!!!