How do I upgrade or change my Pass if I am enrolled in Auto Renew? Pass Holders who want to upgrade or change their Pass while enrolled in Auto Renew can call Guest Services at 970-754-0005. Related articles How do I opt out of Auto Renew and what is the deadline to do so? What Passes are eligible for Auto Renew? What is Auto Renew? How do I enroll in Auto Renew? What happens if I age out of a product while enrolled in Auto Renew?