KC lights are bright lights on trucks, usually used by young men meeting up in rural areas to get up to trouble. It's suggesting what these men might do to a young women who wanders into their company (and maybe suggesting that the narrator isn't quite trustworthy either).

@@jaxlaxsurprise thanks, for me as a none american some context is useful to understand that song

We've only gotten to hear a fraction of the album, already my favorite.