Yesterday my radio volume stopped working. I have an external satellite radio receiver hooked up via the aux port. I went to pick up a package yesterday, radio worked fine. When I came out, radio was at 0 volume. If I turn the knob, the display stays at 0 volume. Secondary steering wheel controls won't work, and won't even trigger the display to say 0, as turning the knob does. Disconnected the satellite receiver, still nothing. Switched modes to AM, FM, back to AUX, nothing. Plugged iPhone in to AUX, tried using volume control on iPhone, nothing. Clock display still works, and volume displa… Read complete