WARNING: This page is about a different car, the 2009 Audi TT and 2008 Audi TT. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Removing/Installing Lock Washer
Courtesy of AUDI OF AMERICA, LLC
-- Hold shift lever -2- in position.
-- Press spacer bushing -3- in direction of -arrow-.