Nice that they leave the trucks open so you can load your bag. The only downside is you can't easily tell what model of car you're picking. Unlock the trunk, but leave the lid down.
Use the Emerald Aisle and just walk right up to any car with a key in the door. You don't even need a reservation, they'll sort you out when you leave th parking ramp.
Get last minute deals on car rental rates for business and vacation travel in Minneapolis, MN with National Car Rental - Bypass the Counter at the airport with the Emerald Club.