On arrival at Cosmo parking Belfast airport, you should park outside the reception and check-in at the desk. Hand in your printed booking confirmation (or quote your booking reference) and your car keys. There's no need to park your car as it will be parked for you whilst you are transferred to the airport.
To arrange your transfer back from Belfast airport, simply call the freephone number provided on your arrival and you will be told where to wait for collection. When you arrive at Cosmo Parking simply head to reception and collect your keys, your car will be waiting in the reception area on your return.