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.
1 Detach any wires from the seat. 2  Remove the seat from the car. 3  Disassemble the seat, separating the back and base, and removing the cushion and leather from the base. 4  Replace all heated seats parts, including the heating element and the wiring. 5  Put the seat together again. 6  Reconnect the wiring.