Parking at Ontario Airport Parking - Valet - Terminal 4 gives you:
Hand in the key
On the day of departure, you drive directly to the departure hall of the airport. Check the number and time you need to call in advance on the voucher. A driver will wait for you at the agreed place and take over the car. When you return, call again and the car will be returned to the airport.
Parking around Ontario Airport Parking - Valet - Terminal 4