When you arrive to the parking lot. Follow the signs to the stop sign on the left side of the building, Pull up and show your prepaid reservation receipt printed or on your smartphone. to the parking attendant. If the lot is busy/full, you may be asked to leave your keys.
The shuttle is on demand and is usually ready to take you to the SkyTrain immediately. The shuttle driver will help you with your luggage and load it on the shuttle for you.