Firstly, does anybody know what I might have done to stop it working?
Secondly, anybody know how to make it work again ... the manual says that Audi can do it for me but I thought there might be an easy way to reset it.
It's not really a problem as it'll be getting serviced in a couple of months time ... it's just annoying that it did work and now it doesn't

Thanks in advance,
Rich.