A system (2) for cleaning at least one glazed surface (20, 21) of a vehicle (1) comprises a hydraulic distribution bus (3), able to allow a cleaning product to flow from a storage tank, and at least two devices (100 to 111) for projecting the cleaning product onto the at least one glazed surface (20, 21). According to the invention, the at least two projection devices (100 to 111) are linked by hydraulic connection elements to the hydraulic distribution bus (3), independently of one another and in successive areas of said hydraulic distribution bus (3).