I got the D3 installed a couple of weeks ago with every accessory except the back-up camera. It's in a Porsche 911 convertible, so the camera seemed overkill (though I was tempted...). The bluetooth connection works OK, but the voice quality that people hear is terrible! It sounds fine when I'm standing still, but after 20 MPH, it is almost useless. Meanwhile, I can hear them clearly at 70+ MPH. I had the mic by the rear view mirror, then moved it down to the center of the console. Both locations give the same result. And yes, the top is up! It doesn't seem to be engine noise, because