The working principle of a self-service car wash machine is relatively simple. Car owners can complete payment through card swiping, coin insertion, or third-party payment systems, and then select the corresponding car wash function according to the on-screen prompts. After the equipment is started, the owner can use high-pressure water gun, foam gun and other tools to clean the vehicle.

Coin operated: Car owners need to insert coins or banknotes to activate the device, which is simple to operate, but the payment method is relatively single and cannot track consumption records in real time.

Card swiping: Car owners can use stored value cards, bank cards, or mobile payment applications for payment, with more flexible payment methods and real-time tracking of consumption records.

Intelligent: The car washing equipment that has emerged in recent years combines technologies such as the Internet of Things and artificial intelligence. Car owners can book car washes, choose car wash packages, and check car wash progress through a mobile app. In addition, the intelligent self-service car washing machine can intelligently adjust the washing parameters based on factors such as vehicle model and degree of stains, ensuring better washing results.