Here's how hackers are making your Tesla, GM and Chrysler less vulnerable to attack

Tin foil is one way to keep modern car key fobs safe from creative thieves. Kim Komando explains the technology -- and how to keep them safe. In March, a Tesla Model 3 was hacked. The duo responsible for uncovering the vulnerability accessed the car's web browser, executed code on its firmware and displayed a message on the infotainment system before making off with the Model 3 and $375,000. The hackers didn't remotely take total control of the car or wreak havoc on its door locks or brakes while an innocent driver sat inside.