Warning Note On Hydrophobic Window
WARNING: This page is about a different car, the 2010 Porsche Cayenne, 2009 Porsche Cayenne, and 2008 Porsche Cayenne. However, it is still accessible from the selected car via links, so may be relevant.
Information
Porsche only approves the application of hydrophobic coating on door windows because streaks or dazzling smears can appear.