Originally Posted by USAFAN
That's very interesting! That explains why some of my rentals are showing in my rental history, even when I didn't enter my wizard number.
Where did you rent the car? In Europe? Didn't they ask you for 2 credit cards?
I rented in Spain and did give them two CC's... AMEX to pay and Diners as the second card. (Diners is the listed card in my profile)