The eggcrate grille featured on the 1955 cars was widened into a series of rectangles for 1956, but this subtle exterior change was nothing compared to Ford's adoption of a 12-volt electrical system, with a six volt system optional. The Crown Victoria Skyliner's sales were plummeting with just 603 made, and it would be replaced by a convertible the next year. A new addition at midyear was the "Town Victoria" 4-door hardtop model which, along with the new Customline Victoria 2-door hardtop, were meant to compete with the Chevrolet Bel Air and Plymouth Belvedere. The Parklane, a Fairlane trimmed Tudor station wagon, was added to compete with the Chevrolet Nomad. There were new convenience options, such as a new air-conditioner system, a new heater, and a nine-tube signal-seeking radio. Instead of gauges, instrument cluster warning lights for oil pressure and ammeter were standard.