"We Can't be There to Close Your Door... But We Can Do the Next Best Thing..." Ford Motor Company Advertising Proof, 1967

For years it was a common belief among automakers that "safety didn't sell." Customers were more interested in performance and comfort than protection. In the 1960s, attitudes were changing. This 1967 ad from Ford promotes a warning light that alerts drivers when a car door isn't closed. It was one of several features designed to keep the vehicle's occupants safe.