Manage Payment method Reservation form
1. Go to "Products & Locations" in the main menu.
2. Select the product, click on the "..." button at the top right.
3. Select "Change MyParkingPro settings".
4. You can change "system setting" for yes or no per payment method.
5. Note that this is at "product level, so you have to set this per product. (So not once for your whole reservation form).
It may be possible that one product is prepayment and another product also offers the possibility to pay at the counter or departure hall.