Hello everyone, since last week I am proud owner of a new (used) Opel Omegas. Now the car has only a small problem. The radio (NCDC 2015 with Bose System and telematics in the glove compartment) gives off a loud bang every 5 seconds from all loudspeakers, while no music comes anymore, after the bang the music builds up slowly again. If I turn the volume completely to 0 it remains silent, but as soon as I even rest the volume I’ve already been looking for my fingers sore, I’ve also found enough solutions for the problem with the CDs, but I haven’t found anything for a bang yet. Unfortunately, I can’t really do a lot with the schematics, because I lack the approach. Who knows a similar problem, or could give me a tip where to start with the search for errors? I tried once. to download it on YouTube so that you understand what I mean. https://youtu.be/YA7LQMurYqI Thank you very much in advance. Olli