At most of the parkings, you will have the possibility to choose valet parking. When choosing valet parking, you will still drive to the parking location but when you arrive, a parking staff member will greet you and park your car as you board the shuttle bus.
On the day of departure, you will drive to the parking. A staff member will take your keys and park your car. You can then wait for the shuttle bus before being taken to the airport.
On the day you return from your trip, you will need to contact the parking after receiving your baggage. They will send their shuttle to pick you up and have your car waiting for you at the entrance of the parking facility. You can then quickly continue your journey home.