I just had the 8100NEX installed on my 2012 vw cc at a car audio shop this morning. The shop was at a loud and noisy crossroad so I didn't notice this noise while I was checking the car.
The noise is much like a buzz or a white noise coming from the position of the a/c. But I am sure that the problem is not the a/c. It happens when car is ignited or in ACC mode and it goes away when I completely shut the engine off. I also see a "System detected improper connection of parking brake lead. Please check your configuration for safety. Please see operation manual for more information regarding
