This back window even opens if I want it to.

Jeeps are made by a company originally specialized in manufacturing vehicles for the US Army, that's why in some parts of the world "Jeep" is synonym with "all terrain" - vehicles specially designed for the rugged terrain of war front lines.

Today, Jeep is not a stand-alone company anymore, it is part of an industrial conglomerate named Daimler Chrysler and including Chrysler, Dodge, and Mercedes.