I cannot make a reservation before 4.30am or after 11.30pm, what should I do? 10 April 2022 14:58 Updated The valet service is open from 4.30am to 11.30pm, which is why only these times are available for booking. Related articles How to contact Blue Valet Customer Service? What happens if my delay reschedules my return after 11:30pm? When should I make my reservation? What hours should I fill out when booking? Do you accept all types of vehicle?