{"version":"2.5","id":"national-seatac-faq","question":"National 西雅图机场租车常见问题","answer":"信用卡预授权 $200.00 或借记卡预授权 $500.00（需提供往返航班证明）。","answer_detail":"National 在西雅图机场预授权押金是多少？ · National 柜台在西雅图 CONRAC 哪一层？ · 如何归还 National 车辆并返回航站楼？","related_ids":["national-seatac-cost-guide","national-seatac-fleet-specs","national-seatac-reviews"],"intent_tags":["agency","national","seatac","conrac"],"last_verified":"2026-05-26","authority":"https://www.seatacrentalcarfacility.com","url":"https://www.seatacrentalcarfacility.com/zh/knowledge/national-seatac-faq","markdown_url":"https://www.seatacrentalcarfacility.com/api/knowledge/national-seatac-faq?format=md&lang=zh"}