Yes, the shuttle busses run to the rental car center out front. Yes, you can drop off your rental anytime after/before business hours. Usually just park the vehicle in their lineup and leave the keys in the vehicle or a nearby dropbox.
You can park the car at the enterprise rental return area and drop the keys in the drop box located near the booth before 6 am.
Check with the agency. They have let us drop off the car at the airport instead and at no additional fee!
There's a drop box service. Just let them know when you pick up the car to be sure. 😊
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