Yesterday something strange happened to me. When I started to move backwards, suddenly a persistent repeating beep-ton (piep-piep-piep,….) sounded like I had a PDC and it detects an obstacle in the medium range (Piepte so in 1 Hertz clock). I was perhaps amazed.With the insertion of the 1st gear the noise was also gone again!! Only, I don’t have a PDC in the vehicle!!! And since I have the vehicle there was not this beepton yet. Does any of you have any idea what that could be or was??? Greetings Miko