WARNING: This page is about a different car, the 2022 Audi S3, 2022 Audi RS 3, 2022 Audi A3 Quattro, and 2022 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
Courtesy of AUDI OF AMERICA, LLC
-- Fold up the bracket -4- all the way.
-- Pry off the cover -1- with a small flat-head screwdriver.
-- Remove the bolt -3- and remove the tie down -2-.