Monthly payments associated with such plans are non-refundable and, for EVP and Wheel Deal Plans, the driving credit associated with the monthly fee expires at the end of each month if not used and may not be carried into future months. EVP and Wheel Deal plans are optional and may be changed/opted-out of at any time from the Member's account page or by calling 1-866-4ZIPCAR.</p> <p> <br> <strong>4.2</strong> </p> <p>