The car was sitting alone in the lot, but with the little addition of a ticket on the window. It was a parking ticket for being in the park after sundown. Apparently the sign near the bathrooms that says Park closes at sundown also means that parking in the open lot is forbidden after sundown. Had we known about this interpretation of the sign - that the park closing also means that no cars can be in the parking lot we would certainly have arranged to shuttle and meet at some eating place. Then he said that they get these complaints all of the time.
Details are inside the cruiser.