[Casey at Pelican Parts]

If your Cayenne is one of the ones that requires a brake pedal to be pressed to start, you probably have an intermittent fault with one of the switches. Check out this article for more information: http://www.pelicanparts.com/techarticles/Porsche-Cayenne/37-ELEC-Brake_Light_Switch_Replacement/37-ELEC-Brake_Light_Switch_Replacement.htm ] http://www.pelicanparts.com/techarticles/Porsche-Cayenne/37-ELEC-Brake_Light_Switch_Replacement/37-ELEC-Brake_Light_Switch_Replacement.htm [/url]

- Casey