Can I make changes to my Dollar Rent A Car reservation on line?
Yes. DOLLAR® has a special section on its Web site that will allow you to make modifications to your future car rentals.
Modify Car Rental Reservations.

Can I re-verify a car rental reservation that I made with Dollar Rent A Car online?
Yes, the Dollar Rent A Car Web site gives you the ability to check a future car rental reservation to ensure its accuracy.
View Rental Car Reservation.

If I have already rented my car, can I make changes or re-verify the car rental reservation via the Web site?
No, you will need to contact the car rental counter directly if you have already picked up your rental vehicle. If you have already returned the car rental and have questions, contact our customer service department at cservice@dollar.com.

How can I be sure that my credit card information is secure on your Web site?
At Dollar, we are strongly committed to protecting your privacy, which includes securing your credit card. To maintain data integrity and protection against unauthorized access to your credit card information, the Dollar Rent A Car website uses Secure Socket Layer (SSL) encryption, utilizing VeriSign 128-bit technology.