PURPOSE: To perform the car-washing program choiced by a customer's will by a system wherein a plurality of car-washing programs, which can be selected in response to the card rank or the amount of coins cast into the car washer, are provided.

CONSTITUTION: A plurality of ranks AWN of car-washing programs are incorporated within a controlling unit. At first, input by card or not is discriminated. When the discrimination shows no, input by coins or not is discriminated. In case that the discrimination just above-mentioned shows yes, the number of coins cast into the car washer is counted. The discrimination of fare of which car- washing program among the programs from program A to program N corresponding to the number of coins cast into the car washer is preformed step by step. When the discrimination that the fare for the program A or not shows yes, the program A is set and the starting of car washing is made possible and the expected car-washing program A is performed. When the discrimination of input by card or not shows yes, the discrimination of the fare for the program is similarly performed step by step.