Coding sat nav help!

Sent Yesterday, 21:25

Hi mate i have a mk2 superb has the standard 6 disc bolero but have got the top spec columbus led unit have installed but no sound im told it needs coding with vcds are u able to do this? im told the original coding needs to b taken off the old unit first all works fine just no sound lol is this something u can do i will obviously sort u out if u get the right sound output thx pete