Trailer Hitch Socket, Removing And Installing - Version 1: Installing
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.
Fig 1: Identifying O-Rings, Harness Connectors And Retainer
Courtesy of AUDI OF AMERICA, LLC
Install in reverse order of removal. Note the following:
NOTE:
Make sure the O-rings -1 and 3- are not damaged.
-- Slide the connectors -4- into the retainer -2- until they click into place.