it's done by tracking your key fobbs. how to protect yourself. >> reporter: l.a. has long been home to street takeovers like this. street racers blocking off roads in intersections, performing dangerous stunts and maneuvers. and a new warning, thieves may be looking to steal your car to take it for a joyride. >> truly, people don't do that to their own vehicles that they own because of the wear and tear and expenses to repair a vehicle if it was to be damaged. >> reporter: in los angeles, the problem has gotten so bad, police say they've seen a massive spike in car thefts. a more than one thousand percent increase in just the first two months of this year. and the thieves' car of choice, the chevy camaro. why specifically are we seeing such an uptick with the chevy camaro? >> it's a muscle car that young juveniles or young adults really like. it's a popular car. and of course the horsepower that the vehicle has, they're able to speed and do manufactures in these vehicles. >> reporter: police say car thieves can use a device the size of a cell phone which can pick