The phrase relates to alphanumeric or symbolic identifiers that, when applied during a transaction, reduce the cost of parking services at Phoenix Sky Harbor International Airport. These identifiers represent a discount offered to customers, incentivizing utilization of airport parking facilities.
The availability of discounted parking contributes to a more affordable travel experience. Historically, such incentives have been implemented to manage parking demand, encourage pre-booking, and reward customer loyalty. These mechanisms help optimize parking resource allocation and improve customer satisfaction.