Finally got the new unit in, ordered from Crutchfield, took forever to get here. Anyway, there is no voice icon that appears on the screen to press, looking at the book I see where it would be, but it doesn't appear on my screen. Since the button still doesn't work, I'm guessing it doesn't see the mic. I pulled the secondard harness (the one with the mic input on it) and rang the wires out to make sure they rang all the way through, and they do. I can test the mic and watch the resistance change while making noises into the mic, so its working. I'm now down to either a) my n3 is busted,