If the light is on, it is reminding the driver that the windshield washer fluid level is low in the washer reservoir.
It’s safe to drive your vehicle, but you should add windshield washer fluid as soon as you can.
Usual problems: washer fluid level is low, faulty fluid level switch in reservoir, short circuit
Windshield washer fluid is a special fluid for motor vehicles that is used in cleaning the windshield while the vehicle is being driven. A clean windshield is very important in terms of your safety. Washer fluid doesn’t freeze, so it will help prevent ice form forming on your windshield while you are driving during the winter months.