This is a Valet parking service.
ON THE DAY OF YOUR ARRIVAL: the Parking Xpress company personnel will collect your vehicle from the meeting point (Departures area from Atocha train station). In case you had any incidence and you could not get there on time, please call +34 685 42 40 81. A professional driver will be waiting for you at that address, ready to pick up your vehicle and take it to their guarded car park close to the station.
WHEN YOU RETURN: the car park staff will bring it back to where they picked it up.