Originally Posted by FuszNissan

They are the same design in the Maxima Premium Package. They work very well. There design is pretty slick. It is a coil that runs through the seat, but it works on reverse polarity, so when you put it on heat the current runs on direction, when you put it on cold the current runs the opposite direction.
They cool very quick and the temp controller works very well. I love them!
They don't make any noise at all.