1997 Oldsmobile Cutlass Supreme Owner's Manual - Page 244

Windshield Washer Fluid What toUse When you need windshield washer fluid, be sure to read the manufacturer's instructions before use. If you willbe operating your vehicle in an area where the temperature may fall below freezing, use afluid that has sufficient protection against freezing. NOTICE: When using concentrated washer fluid, follow the manufacturer's instructions for adding water. Don't mix water with ready-to-use washer fluid. Water can cause the solution to freeze and damage your washer fluid tank and other parts of the washer system. Also, water doesn't clean as well as washer fluid. Fill your washer fluid tank only three-quarters full when it's very cold. This allows for expansion if freezing occurs, which could damage the tank if it is completely full. Don't use radiator antifreeze in your windshield washer.It can damage your washer system and paint. Adding Washer Fluid Open thecap labeled WASHER FLUID ONIiY. Add washer fluid until the tank is full. ~ 6-21