We own a 1991 Ford Falcon Sedan and there is a.

We own a 1991 ford falcon sedan and there is a red dashlight come on that looks like a beaker with a pouring lip on the top right hand side and it shows halfway up this beaker a wavy line that to me resembles water level and out of that wavy line is a symbol like a water fountain.I assumed it to be wiper reservoir but light still on. Could you please tell me what this symbol represents. Thanks so much