Elon Musk wants you to take your hands off the wheel, foot off the gas, and let him do the driving. Rather, let his cars take over. Tonight, at a press conference, he announced that every new Tesla will be fully capable of driving itself. After being upgraded with a suite of cameras and sensors, Musk says this means his cars will have level 5 autonomy—the highest level, which requires zero interaction from the driver. The…