The Louisiana Purchase stretched from the Mississippi River to the beginning of the Rocky Mountains. Official boundaries were not determined, except that the eastern border ran from the source of the Mississippi River north to the 31 degrees north.
Cooled (or air conditioned) seats work by confining cooled air directly in the seat where the passenger is seated. Different car makers achieve this in different ways, but here is the most common method: The seat is made with more porous material than traditional car seats, which are made to allow air to flow through them.
Remove the bottom of the rear seat by simply pulling up on the front of it. Once loose, pull it up and toward the front of the car to gain access to the bottom side. Disconnect the wires for the heated seats, the sensor for the side curtain airbag, and the rear seat side airbag (if so equipped).