these mechanics did it for us in less than two minutes. >> looks like an indianapolis pit crew. >> wearing a dark brown shirt and blue jeans. >> reporter: and yes, the evening we were watching, someone took the bait. but this would-be thief was soon stopped in his tracks. >> no. >> reporter: there are some things you can do to prevent from being a victim. if you park on the street do so under a streetlight or add lighting to your driveway. you can also engrave the car's vin number on the inside of your wheel. or you can buy these locking lug nuts. they only cost about $20. and while they're not perfect, they may slow the thief down enough to convince him to move on. ryan owens, abc news, dallas. >> good advice, ryan. most people, these thieves peddle the stolen tires online. that's what they're going for, money for the rubber. >> then when you try to find a replacement tire, you find it on that site where it was posted. >> wonder where this person found their tire? look at you.