Email AER HERE to get a discount code to register the car free of charge.
Get the car teched at one of our approved shops or make arrangements to get it teched at the event
Arrange for the car to have its own transponder (you can not transfer the transponder from your primary car during the event)
Make sure AER puts an RFID tag on its windshield
At the event notify AER when you wish to switch to your backup car