Locale for a Snapple fact

CAP

Check the top of a bottle where you might find a small piece of information.

The clue plays on the idea of Snapple facts, which are printed under the bottle caps. "Locale" hints at a place, but here it refers to the physical location of the fact—on the cap itself. So, the answer is "CAP," combining the literal part of the bottle with the wordplay on "locale."