These small, usually metallic, discs signify a pre-paid type of forex particularly for automated automobile cleansing providers. Sometimes bought in bulk or as a part of a service bundle, they’re inserted right into a machine to activate the wash cycle. An instance could be a consumer buying a set of those previous to visiting a self-service automotive wash bay, utilizing one disc per wash choice.
The significance of this fee technique lies in its effectivity and operational benefits for automotive wash companies. They simplify transactions, cut back reliance on money dealing with, and might encourage buyer loyalty via bulk buy reductions. Traditionally, their use stems from a necessity for a standardized fee system suitable with automated gear, predating widespread digital fee options.