1998 Pontiac Grand Prix Owner's Manual - Page 308

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 partsof the washersystem. Also, water doesn't clean as well as washerfluid. Fill your washer fluid tank only three-quarters full when it's very cold. This allows for expansion if freezing occurs. Brakes Brake Fluid P which could damage the tank it is if completely full. Don't use engine coolant (antifreeze) in your windshieldwasher. It can damage your washersystem and paint. Your brake master cylinder reservoir here. It is filled is with DOT-3 brake fluid. There are onlytwo reasons why the brake fluid level the in fluid reservoir might go down. The fxst is that the brake goes down toan acceptable level during normal brake lining wear. When new linings are put in, the fluid level goes back up. The other reason is that fluid is leaking out of the brake system.If it is, you should have your brake system f w d , since a leak means that sooner or later your brakes won't work well, or won't work al. at l 6-33