The hackers also controlled the car using a video game controller.
The first attempt to confuse Autopilot used blurring patches on the left-lane line, which the team said was too difficult for someone to actually deploy in the real world and easy for Tesla's computer to recognize."It is difficult for an attacker to deploy some unobtrusive markings in the physical world to disable the lane recognition function of a moving Tesla vehicle," Keen said.
Not deterred by the low plausibility of the first idea, Keen then set out to make Tesla's Autopilot mistakenly think there was a traffic lane when one wasn't actually present. The researchers painted three tiny squares in the traffic lane to mimic merge striping and cause the car to veer into oncoming traffic in the left lane.
"In this demonstration the researchers adjusted the physical environment around the vehicle to make the car behave differently when Autopilot is in use," the company said."This is not a real-world concern given that a driver can easily override Autopilot at any time by using the steering wheel or brakes and should be prepared to do so at all times."
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