Hidden headlamps are an automotive styling feature that conceals an automobile's headlamps when they are not in use. Depending on the design, the headlamps may be mounted in a housing that rotates so as to sit flush with the front end as on the Porsche 928, may retract into the hood and/or fenders as on the 1968 - 2004 Chevrolet Corvette, or may be concealed behind retractable or rotating grille panels as on the 1966 Dodge Charger.Hidden headlamps first appeared on the Cord 810 in 1936. Each unit had a crank on its side of the dashboard, which was turned by hand when the headlamps were needed.Powered hidden headlamps were pioneered in GM's Buick Y-Job concept car of 1938 and were used briefly on Chrysler Corporation's 1942 production DeSoto. The feature's popularity has waxed and waned over time. Hidden headlamps regained popularity in the late 1960s, particularly in the US market where aerodynamic headlamps were not permitted. A relatively large variety of cars incorporated hidden headlamps in the 1970s, '80s, and early 1990s. Currently, hidden headlamps are out of favour.

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