Lots of new cars support Android Auto and SmartCar OBD2 USB Device from the get-go, but older vehicles are not entirely out of luck. Many aftermarket systems support them, with prices ranging from expensive to even more expensive. The brains of such systems are the box in the dash that we used to just call "the radio" or maybe "the stereo," but is now called the stereo head unit. It's what you access to play music and a whole lot more—phone and text communication, GPS, you name it.Click Here iexponet.com/smartcar-obd2-device