Abstract: A cleaning device for cleaning windshields, headlights and such of vehicles has at least one storage container for a cleaning liquid, at least one supply line, and at least one spray nozzle connected to the at least one supply line. At least one pump is arranged in the supply line and configured to convey the cleaning liquid within the supply line to the spray nozzle. At least one high-pressure pressurizer is connected to the supply line and configured to pressurize the cleaning liquid which is stored in a pressurized tank.