Check your power cord and/or water hose. They like to get inside via those. Next, look around tires. There are several non-poison powders that you can use around tires and such to keep them out. Ant-Terror bait will get rid of the ones that have come inside. Find their path and stop that, the and baits will get the rest that are already inside. You learned something, its a common problem. It may take a few days to get rid of all of them. If they can't get back to their nest, they will die eventually.