WARNING: This page is about a different car, the 2023 Porsche Panamera and 2022 Porsche Panamera. However, it is still accessible from the selected car via links, so may be relevant.
Pull rear lid seal -1-
off the body.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Removing rear lid seal
Clean the body flange to remove all sealant residues.