Emergency start function using VAG 1551: Notes
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Audi S8, 2003 Audi A8, 2002 Audi S8, 2002 Audi A8, and 2001 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.
Using the emergency start function, a vehicle that has been immobilized via a locked immobilizer can be switched free and driven on its own engine power to the nearest Audi dealership.