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.
Courtesy of PORSCHE CARS NORTH AMERICA, INC.
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Vent line
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Screw, M6 x 16 → Tightening torque: 12 Nm (9 ft lb.)