Yes, you may view, change, cancel your reservation at Rates & Reservations page by clicking on "I already have reservation" link. Otherwise, all changes need to be made after the confirmation should be replayed to our confirmation email and will take effect from the date received by i need a rent a car .com. However, if the change need to be made in less than 48 hours to pickup time, we advise you to contact us by phone which can be reached in our contact us page.