Solution found: When the center of the strip on top of your windshield degrades enough that a section about 4 inches long comes out of the channel, it flaps in the wind at speeds above 45 MPH and sounds like a fan blade hitting something.
My neice's husband went for a ride with me and kept insisting the noise was from the area of the moonroof, not the center of the dash. He's sending my wife the bill to the tune of $699.95. But since I'm charging my niece $725.99 to set up her new computer, it's a relatively fair trade
