If you wish to amend, add extras to or CANCEL your reservation, there is only one way to do so. Using the same email address you used when you made your online reservation, together with the reservation reference number, log into http://www.amendcarhire.com. You will receive a full refund providing you cancel no later then 24 hours before the pick up time. If you cancel within the 24 hour period a fee of 200 AED.