Porsche's Aero Sunroof for the Panamera

With Porsche's new sedan coming to market soon, more details of its design are surfacing. According to this patent application, Porsche developed the sunroof for the Panamera with aerodynamics and high speed driving in mind. An image from the patent application, shown below, shows just how this four-door's sunroof is integrated into the aerodynamics of the rear spoiler.