GM Genuine Parts Washer Fluid Level Sensors are designed, engineered, and tested to rigorous standards, and are backed by General Motors. Washer fluid level sensors turn on the washer fluid warning light when it is low. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). WARNING: Cancer and Reproductive Harm