I tried everything. Even restarting to factory settings. The last time it happened, it came back after 2 days. Evem the welcome sound went back to old sound from s550
Hello everyone, I recently got my s650 ecoboost 3 weeks ago. There are some times that my audio/volume will be totally gone. The music/radio is playing or working but when I turn the knob on, the volume stays on 0. I called the dealer and they told me to bring it in. But sometimes the audio...