Covered Maseratis (blue) and Ferraris are pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Veiled Maseratis are pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





An employee polishes the front of a Ferrari car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Employees clean a Fiat 500 Abarth during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Smart cars by Brabus are seen in line during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





A Tesla Model S car is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





An employee dusts off a Volkswagen Golf GTI car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Employees clean a Fiat 500 Abarth during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





SEAT Leon Cross Sport is presented by SEAT CEO Juergen Stackmann during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Bentley Bentayga car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Lamborghini Huracan LP 610-4 Spyder is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Wolfgang Duerheimer, Bugatti CEO presents the Bugatti Vision concept car during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Bugatti Vision concept car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Bugatti Vision concept car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Bugatti Vision concept car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





The new Audi A4 2.0 T quattro is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





The new Audi e-tron Quattro has its world premiere during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





The new Audi e-tron Quattro has its world premiere during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





The new Audi e-tron Quattro has its world premiere during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Skoda Superb Combi car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Volkswagen Tiguan R-Line car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Volkswagen Tiguan car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Member of the Board of Management for the Volkswagen brand Heinz-Jakob Neusser presents the VW Tiguan GTE during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Wolfgang Hatz of Porsche presents the new Porsche 911 Carrera 3 cabrio during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





New Porsche 911 Carrera S cars are presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





New Porsche 911 Carrera S cabrio car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Porsche CEO Matthias Mueller presents the new electric Porsche Mission E concept car during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





The new electric Porsche Mission E concept car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





The new Porsche 911 Carrera S (L) and concept car Mission E are presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





A visitor takes a picture of the logo on the Lamborghini Huracan LP 610-4 Spyder during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Lamborghini CEO Stephan Winkelmann stands next to the Lamborghini Huracan LP 610-4 Spyder during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Bugatti Vision concept car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





The new electric Porsche Mission E concept car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





SEAT Leon Cross Sport is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





New Porsche 911 Carrera S car is presented during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





Visitors walk around Bentley Bentayga during the Volkswagen group night ahead of the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Kai Pfaffenbach/Reuters)





A woman looks at the new Mercedes-Benz G500 4x4 car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Ralph Orlowski/Reuters)





An employee works in front of a Smart forfour car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Ralph Orlowski/Reuters)





Employees work at the booth of Mubea company during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Ralph Orlowski/Reuters)





A covered Mercedes-Benz Concept IAA concept car stands at the booth of Mercedes-Benz during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Ralph Orlowski/Reuters)





Employees adjust the cover on Mercedes-Benz Concept IAA concept car at the booth of Mercedes-Benz during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Ralph Orlowski/Reuters)





The front of a Mercedes-Benz F 015 Luxury in Motion concept car is pictured at the booth of Mercedes-Benz during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Ralph Orlowski/Reuters)





The Mercedes-Benz F 015 Luxury in Motion concept car is pictured at the booth of Mercedes-Benz during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. (Photo by Ralph Orlowski/Reuters)





A new Mercedes-Benz S-Class S500 (L) convertible car is pictured at the booth of Mercedes-Benz during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 14, 2015. The new Mercedes C-class coupe is seen at right. (Photo by Ralph Orlowski/Reuters)





BMW CEO Harald Krueger makes a presentation during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





BMW CEO Harald Krueger collapses at a presentation during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. German luxury carmaker BMW's new chief executive, Krueger, fainted on stage at the Frankfurt auto show on Tuesday, a Reuters witness reported. Krueger collapsed as he was commenting on BMW's latest models during a news conference. (Photo by Kai Pfaffenbach/Reuters)





BMW CEO Harald Krueger (C) is helped after he collapsed at a presentation during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A charging plug is pictured next to the BMW 225xe eDrive during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A Toyota Yaris Hybrid is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A Toyota C-HR concept car is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A Toyota Mirai hydrogen fuel cell car is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A Peugeot Quartz concept car is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A Citroen Aircross concept car is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A Citroen Aircross concept car is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





General Motors CEO Mary Barra presents the new Opel Astra during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A model poses at the Hyundai Vision G car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A model poses with the Hyundai Genesis car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





The Hyundai N50 is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





The Hyundai N50 is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A model stands next to the new Fiat 500 during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A new Audi A4 2.0 TDI car is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





The Tesla Model S is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





Audi Member of the Board Luca de Meo presents the Audi A4 2.0 T quattro car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





Audi Member of the Board Luca de Meo makes the world premiere of the Audi S4 car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





Jaguar F-PACE SUV is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





The Peugeot 308 GTi 270 Sport is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A model poses next to the Peugeot 308 GTi 270 Sport is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A visitor enjoys a virtual test drive at Toyota booth during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





The new Peugeot Fractal Concept is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A model poses next to the Peugeot Fractal Concept during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A model poses next to the Peugeot Fractal Concept during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





Citroen DS 3 is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





Visitors pass by the Toyota stall during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A model poses next to the Peugeot 308 R Hybrid during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A visitor makes a selfie in front of a Ferrari car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





The Hyundai N50 is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





An Alfa Romeo Giulia car is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A visitor uses the Hyundai Virtual Drive Simulator during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





An Infiniti Q30 is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





An Infiniti Q30 is pictured during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





A model poses with an Infiniti Q30 during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Kai Pfaffenbach/Reuters)





Mercedes-Benz Concept IAA car is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Ralph Orlowski/Reuters)





An installation is pictured as Mercedes-Benz Concept IAA car is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Ralph Orlowski/Reuters)





Daimler CEO Dieter Zetsche presents the Mercedes-Benz Concept IAA car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Ralph Orlowski/Reuters)





Smart fortwo cabrio car is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Ralph Orlowski/Reuters)





Smart fortwo cabrio car is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Ralph Orlowski/Reuters)





Daimler CEO Dieter Zetsche presents the Mercedes-Benz S 500 cabrio car during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany, September 15, 2015. (Photo by Ralph Orlowski/Reuters)





The Borgward BX7 SUV is presented during the media day at the Frankfurt Motor Show (IAA) in Frankfurt, Germany September 15, 2015. (Photo by Ralph Orlowski/Reuters)





The transparent car of ZF company equipped with different security systems is presented on the second press day of the Frankfurt Auto Show IAA Frankfurt, Germany, Wednesday, September 16, 2015. The car show runs through Sept. 27. (Photo by Jens Meyer/AP Photo)





Daimler CEO Dieter Zetsche leaves an autonomous driving vehicle during an event of the Daimler group on the eve of the Frankfurt Auto Show IAA in Frankfurt, Germany, Monday, September 14, 2015. (Photo by Michael Probst/AP Photo)





A visitor looks at the “F 015 Luxury in Motion” autonomous driving vehicle at the Mercedes stand on the first press day of the Frankfurt Auto Show IAA in Frankfurt, Germany, Tuesday, September 15, 2015. (Photo by Jens Meyer/AP Photo)