Give us a call Monday mate, we will sort it for you.
We sometimes have an issue getting the light to go off with VCDS, we have had it a few times with Mk5 Golf's and S3's but other VAG cars seem to work first time every time. However we have never had one come back on a few weeks later, they just still have the service indicator on when we restart them so we turn it off a different way. Very strange.
Anyway, give us a call and speak to Joe about it.