What are the procedures for after-hours vehicle returns and locating the key drop box at the SeaTac Rental Car Facility?

At a glance

For after-hours returns at SeaTac Rental Car Facility, park your vehicle in your rental company's designated return area, ensuring it's locked. Record the parking stall number, then proceed to the main customer service building to locate the specific key drop box for your rental agency. Shuttle service to the airport may be limited after certain hours.