1. The pump motor is located at the base of the tank.
2. A level sensor, which activates a warning light on the instrument panel when the flushing fluid drops to the minimum level, is located at the base of the reservoir.
3. A control valve is installed in each circuit to maintain the supply of fluid to the water injectors. They are located between the T-junction and the driver's side injector (Windshield), between the reservoir and the right headlight (headlight) and in the tube under the hood (backdoor).