1998 Buick Century Owner's Manual - Page 286

NOTICE: 0 Brakes Brake Fluid 0 0 When using concentrated washer fluid, follow the manufacturer's instructions for adding water. Don't mix water with ready-to-use washer to fluid. Water can cause the solutionfreeze and damage your washer fluid tank and other partsof the washersystem. 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 freezing occurs, if which could damage the tank it is if completely full. Don't use engine coolant (antifreeze) in your windshield washer. can damage It your washer system and paint. Your brake master cylinder reservoir is here. It is filled with DOT-3 brake fluid. 6-26