Specific cable kit for four-camera system "Surveillance camera" for Audi A8 4H 4 cameras (grille, mirror, tailgate) to display the aerial view Optimal appearance of the trailer hitch Identification of low optics during off-road driving Scope of delivery: Harness Note: This is ONLY the harness. The complete kit can be found under item number 39573 For vehicles with reversing camera, the existing camera + control unit must be replaced For vehicles without original parking distance control, there is no audible or visual warning