DeSoto car cover is not just a piece of fabric tossed over the body for peace of mind. With classic DeSoto models known for their two-tone paint from the tailfin era, the right cover works like a filter for light and heat so both color blocks “age” at the same pace. Many owners in the United States share the same scene: the car sits half a day under a porch, one side catching slanting sun while the other stays in shade; months later, the dark tone has lost depth, the light tone shows a faint yellow cast near the chrome, and the dividing line between colors looks less crisp. From that uneasy moment, the story of protecting two-tone paint should start with understanding how fading really happens and...