Transcript for 'Wired' Video Details How Hackers Can Take Control of Your Car
alarming new video that raises questions about car safety from wire.com and shows us how someone could hack in your car while on the road and disable it by remote control and Tom llamas has the story. Reporter: The hackers who did this is a there are more than 470,000 vehicles out on the road that are vulnerable right now. They say the threat is real an now congress is getting involved. This morning, U.S. Senators hitting the hazard button trying to put the brakes on what you're about to see. I can't see anything because of the Windshield wiper fluid. Reporter: Hackers taking over this driver's jeep cherokee gaining complete control on a St. Louis highway and shutting the vehicle down. So we're killing the engine. Actually can't accelerate. Reporter: This is not science fiction. "Wired" magazine posting the video and report on their site exposing the terrifying new danger some drivers now face. It's very unnerving to lose control of your car on the highway. Reporter: The hackers able to get into the driver's seat through the car's wi-fi system called you connect and if that's not scary enough watch what they do here. Okay, hold on tight. Hold on. Oh, . Reporter: They remotely disable the brakes. The cherokee sliding uncontrollably into a ditch. Oh, . Reporter: Fiat Chrysler automobiles which maybes the jeep cherokee tells ABC news they're aware of the problem and released a software update that offers customers improved vehicle security and communications enhancements. U.s. Senators ed Markey and Richard Blumenthal introducing ledge Haitian that would create a rating system for consumers letting them know how protected their cars are from hackers. In the wrong hands this tool could be used by malicious hackers to hijack a vehicle. Reporter: But there is some reassuring news here, wired reports the hackers shared their information with the manufacturers of the jeep cherokee to improve security so hopefully that works but, robin, get this, the wired writer tell us the hackers gave him few instructions before taking over his car including don't panic. Yeah, right. He didn't say. You dot that right.
This transcript has been automatically generated and may not be 100% accurate.