Go via Audi Assistance. If they have the car taken to the dealer it's handled straight away rather than via a service booking. They will also arrange a courtesy car. I've had 3 such occurances in last 9 months.

Update on my car, following the 4 day spell in the workshop where they ran diagnostics and ensured me that there was no issues. Two weeks later the same problem has occurred and it's back in the workshop. Let's hope they can determine what the problem is this time and resolve it

Hi had the same issue happen. Also tried locking car and unlocking to no avail....Electrical fault reported and workshop message posted. Called Audi Assistance and engineer ran some diagnostics, told me there was a power cell fault reported and it'd need to be returned to the dealer. He arranged for...