The service itself means exactly what it sounds like. It refers to when travelers park their vehicles and can easily proceed to the airport and board their flight.
People Also Ask
You generally can't receive a refund on a missed flight. Depending on the circumstances of your situation and the terms of your fare, you may receive partial credit or free rebooking, but the only way you're likely to get a full refund is if the airline cancels your flight.
Yes, you can leave the airport during domestic layovers. For instance, if you're a US citizen and have a layover within the country, it is legal and safe to leave the airport. Be aware that you'll probably be getting two boarding passes if the domestic layover is more than an hour.