So I have discovered the problem. When I went to the dealer for my last oil change, I sat in a new FX. The seat was firmer in the back. Mine is just a little too soft for me, it is not the contours. I took off the lower back panel of the seat, snaps off, and I inserted a 1" piece of high density foam across the entire back of the seat. If you look back there it, you rest against a little piece of foam, then they use the leather something like a hammock. This foam fills the gap between the front and the back of the seat. Anyway, I am good again, I really prefer the firmer feel.