Don't even try the parking lot. Turn on Regional toward the bowling alley and park on the street, a little way down. Be careful. There's a lot of traffic around there.
The employees seem more concerned over their conversation than clarifying whose drink is whose when 2 people tried to ask right after they called it out.
If the decaf drip is not hot (which is occasionally the case), ask for an Americano instead. Regrettably they charge you a higher price for this. Instead, they should give it at same cost as drip.