You do not need a reservation. You may simply drive in. However, you can go to the airport website, then go to the Lot D webpage. The webpage for each lot will display how full the lot is so that you know ahead of time if there will be room for your car, too.
There's generally always room in Lot D. Drive in, collect your ticket on the way in, SAVE your ticket for when you want to leave the lot. If you leave the lot at night, you may have to use a credit or debit card. The vans come and go about every 15 minutes, all day and night. 🙂
No reservation is required
Open parking. Trams run very regularly,
Often very busy to full.
Just go - it's open parking. Trams go back & forth to the terminals regularly.
Thanks! Your answer is awaiting moderation.