OBD2 dongles are 2-inch-square devices that plug into the dashboard of a car and monitor its location, speed, and fuel efficiency. Security researchers from the University California, San Diego demonstrated how the devices can be turned against the driver rather easily. Insurance company Metromile offers the devices to its customers as a means of tracking driver behavior and adjusting insurance premiums accordingly. The company, Wired reports, has recently partnered with Uber, offering them to contract drivers for an insurance discount.”]
Source: https://gizmodo.com/small-wireless-car-devices-allow-hackers-to-take-contro-1723385132