Car rental reservation with National Car Rental was made in the USA. In Frankfurt, I picked up the car on 6/13/07 and returned it on 6/19/07. I did not know, that I was actually covered by my Visa card (rental was charged to Visa) for any damage to the rental car. The rental agent in Germany did not make mention of this either. Instead, he sold me collision damage and extra coverage for the vehicle with a 500.00 Euro deductible. I wanted a smaller deductible and was willing to pay the additional charges, but was told, no smaller... read full review »