Would anyone know how to get a code for a VDO CDR500. I have a Vauxhall Vectra which has just been serviced and for some reason they disconnected the battery. I just cannot find the radio code.

There are a couple of number which may be of use :

VDO 326559176
No. 24 469 302
CDR 500(E)

I live in Luton so if anyone knows somewhere local that I can take this to get this fixed
Any help greatfully received