Grommet, Removing And Installing: Removing
WARNING: This page is about a different car, the 2021 Audi S4 and 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
-- Remove the rear window wiper motor. Refer to Rear Window Wiper Motor -V12-, REMOVING AND INSTALLING .
-- Carefully pry the grommet out of the rear window.