Bosch 0263009565 ParkPilot URF7, optical and acoustic universal parking aid with 4 sensors in Erstausrüstungsqualtität I 've installed the system in my Opel Insignia Sports Tourer and I must say it right easier than we thought. The Klibrieren has also been simple, the installation of the sensors went very quickly because in the rear spoiler from the inside already specify is where the sensors come. (Four Quatrate with Kreutz it) I've only a hole at the center gleines drilled the cross and then drilled from the outside with the 26 / hole saw a larger opening. The sensors with bracket fit Optimal rein.Kabel embarrassed connecting calibrate and you're done. I can only recommend the Bosch system, I Gaube holl my frontal system well.