Oso Grande Autos

On July I purchase a Silverado crew cab at Oso Grande Auto Sales in San Antonio I gave $3,down days later I was having problems with the truck call the manager told me to bring it back and he was going to fix it or going to give me back my money down came back and there was another manager and he was supposed to give me another vehicle the same value but he said he was not going to give me back my money or the truck so he stay with the vehicle and $3,that I gave him and now I was trying to get another vehicle and they're telling me that I have a repo on this vehicle