To check your rewards balance online with Dollar Rent A Car Express Renter Rewards, a member can log in to their account on the Dollar website. Once logged in, users should navigate to the rewards section, which will display their current rewards balance, along with any available offers or promotions. If a member has not yet created an online account, they will need to register by providing their membership information and creating a secure password. After completing the registration process, they can easily access their rewards balance and other account details. It is always a good idea for members to ensure they have the most accurate and up-to-date information, so checking the current web page for any updates or changes to the process is advisable.