Transcript for Car Owner Stunned When Valet Gives Keys to Wrong Person
couple who had their car stolen from valet parking. They thought they were being pranked when the attendant told them their car was given away and ABC's nick watt has their story. Reporter: The unbelievable just happened to this California valet stand. Who gave it to him? The other guy that's not here anymore. Wow. The valet came up and said, sir, we don't know how to tell you this but your car has been given away. We gave it to someone else. Reporter: Josh's girlfriend having dinner with him filmed the aftermath. One of them was a large man and had like Ohio stat tattoo. They lost the ticket and the valet, coughs up the keys. I'm freaked out about it. Reporter: Laz parking told us "Regrettably we have apologized and are actively supporting the customer whose vehicle was affected." Valeting can be a gamble. Even a valet told me that. It's more like valet parking roulette. Reporter: After the oscars this comedian with a fake statue pulled this stunt. I lost my ticket. Is that going to be an issue? Let him have -- Reporter: That is not his car. Why would you let someone do this? He returned the car after proving his point. Recently I parked a fancy cam in in L.A. And the valet stole cash. What can we do to try and win this game of relet? Start out by putting a tip on the dash? Preemptive tipping. What that does is helps to influence the level of care your car is about to receive. Reporter: Josh's car till missing. First thing that enters your mind is where is the camera. The other had a goatee. You just gave it to him? I didn't give it to him. For "Good morning America," nick watt, ABC news, los Angeles.
This transcript has been automatically generated and may not be 100% accurate.