I recently installed the K1S in my car and whenever it powers on I lose radio signal. I've contacted koonlung and all they said is that there is either a problem with the wiring in the camera system or the wiring of my car. I asked about returning it for another camera and they require all packing material (which I threw away after installing it) to be sent back along with the camera. I was wondering if anyone else has had this problem? I am going to try to wrap all cables with EMI tape to see if it helps.