Once upon a time, cars didn’t have real roofs. Early automakers would cover the interior with a canvas top or other material to help keep out the elements. Those tops were retractable in some cases, which technically serve as the first examples sunroofs. It wasn’t until Cadillac put a fully enclosed roof on a car in 1905 that solidified how cars should be made. In the 1920s through the 1940s, manually retractable metal and vinyl panels became trendy among
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