How do I return my rental car to the SeaTac Rental Car Facility from major highways like SR 518 West, SR 99 South, and Interstate 5?

To return your rental car to the SeaTac Rental Car Facility, follow these detailed highway exit routing guidelines. From SR 518 West, take the exit towards Des Moines Memorial Drive/International Blvd, using the far right exit lane. Continue on International Blvd for approximately 1. From SR 99 South, exit at S 188th St/Des Moines Memorial Drive and proceed to International Blvd. For Interstate 5, take exit 154A towards WA-518 West/Sea-Tac Airport, then follow signs to International Blvd. The facility is located at 18200 International Blvd, SeaTac, WA 98188. Be aware that the return process typically takes around 10-15 minutes, but can vary depending on the time of day and volume of returns. The facility operates 24/7, and late returns may incur additional fees, up to $30 per hour. To avoid congestion, consider returning your vehicle during off-peak hours, between 10 PM and 6 AM. Ensure you follow the designated return lane and signage to avoid any confusion or delays.