Not a hate but a PITA...
I've found that because of my height, I have to slide the driver's seat all the way to the rear and I do the same to the passenger seat so that the car looks symmetrical. Because of this, I can't fold the rear seat back until I move both front seats forward. Then I can fold the rear seat down and then have to move the front seats back again. To raise the rear seat back, I have to play the same game.
I've had other cars with this 'issue' also, so it's not FR-S specific.
Sometimes, it's tough being a tall, good looking guy. Don't hate me for that!