WARNING: This page is about a different car, the 2016 Porsche Macan and 2015 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.
Lift up centre part of luggage compartment cover -1-
and pull it to the rear.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
Remove centre luggage compartment cover by pulling it upwards.