1957 Cadillac Eldorado Brougham. "The production considered filming on some old tarmac runways in the mid-west, but chose the salt flats when they got a clear weather report. Nancy Hacohen, an Executive Producer with House of Usher Films, said: 'We wanted the minimalist clean look with the black car and a surface that wouldn’t make the air dusty and the car dirty. Once [Director] Kinka Usher created the tire shots he wanted to shoot, the grips and effects team built rigs to give him those shots. All these rigs were built into the car'.” ---TheLocationGuide.com From April 2011.