Of course windows closed!!!!
The actual problem is the window thickness, the window was flexing like crazy and then making the noise - it looked terrible and the sound drove me nuts.
2013 - 2014 should have the same glass thickness and size - I have no idea what they are using now. The standard thickness was 3mm and I got that replaced with 4 mm and the flexing stopped.
Somewhere in 2013 they changed the aluminum hinge on top which is glued on, and the older is not interchangeable with the newer one. IF you can see the top edge of the glass from the outside its the newer style, if the edge is covered (behind) the aluminum its the older one...