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If human error accounts for 94 percent of all car crashes — as the National Highway Traffic Safety Administration has found — then it makes sense to look to technology to help keep us safe.
That’s the idea behind autonomous cars. Also known as driverless cars or self-driving cars, these vehicles can sense their environment and navigate around obstacles, obey traffic laws and reach a preselected destination — even rerouting due to traffic, accidents or construction — by way of built-in cameras, radar, sonar, GPS and infrared sensors.
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And experts say we’re a few years, not decades, away from the reality of climbing into a self-driving car of our own and reaching our destination (entered into something like a dashboard touch screen or just said out loud) without ever touching a steering wheel.
Already, most of the major car companies have semiautonomous technologies in their vehicles, offering features such as lane assist, adaptive cruise control and the ability to parallel park. And major automakers and tech giants aren’t just researching and developing fully autonomous vehicles — a few are testing prototypes right now. Google’s vehicles, for instance, have been making driverless test runs for years on California roads. Last spring, the company began allowing members of the public to try out autonomous vehicle rides in Phoenix.
Toyota recently unveiled its e-Palette concept car, a driverless vehicle that the company envisions being used for deliveries and ride-hailing.
Courtesy Toyota
When it comes to Tesla’s electric vehicles, a significant chunk of the driverless future is already here. Its autopilot feature, once enabled, lets the vehicle automatically steer down the freeway, change lanes and adjust speed in response to traffic. Once you’ve arrived at your destination, the car can scan for a parking space and self-park on your command. You can also use your smartphone app to initiate a "summon" feature, which drives the car out of your garage and to a spot in front of your home where it idles until you get in.
