How do shuttle buses operate from SeaTac Airport to the Rental Car Facility, and how can passengers ensure they board the correct bus?

At Seattle-Tacoma International Airport, shuttle buses to the Rental Car Facility are operated with dedicated routes for the North Terminal and South Terminal. Upon arrival, passengers should proceed to the baggage claim area, where the shuttle buses are divided based on the terminal gates. For passengers arriving at gates 1-10 (generally North Terminal airlines), they should board the North Terminal shuttle bus. Conversely, passengers arriving at gates 11-18 (generally South Terminal airlines, with some exceptions like Alaska Airlines at gate 10 and some international flights) should board the South Terminal shuttle bus. The shuttle buses run at regular intervals, typically every 10-15 minutes, and the journey to the Rental Car Facility takes approximately 5-10 minutes depending on traffic. The Rental Car Facility is located at 18200 International Blvd, SeaTac, WA 98188, about 1. 5 miles from the airport. It's essential for passengers to pay attention to the signs at the baggage claim area indicating the correct shuttle bus to take based on their airline and gate number.