Sony Pictures has released a new behind-the-scenes featurette from Total Recall, director Len Wiseman's sci-fi reboot debuting in theaters this weekend. You have probably noticed in the trailers and TV spots that this futuristic thriller is set in a world where hover cars exist. This behind-the-scenes video shows how the filmmakers used practical effects by building these hover cars over actual working cars. Take a look at this video, featuring interviews with stars Colin Farrell, Kate Beckinsale, director Len Wiseman, and producers Toby Jaffe and Neal H. Moritz.