1994 Chevrolet Astro Owner's Manual - Page 249
1994 Chevrolet Astro Manual
Page 249 highlights
I NOTICE: When adding power steering fluid or making a complete fluid change, always use the proper fluid. Failure use the proper to fluid can cause leaks and damage and seals. hoses Windshield Washer Fluid To Add Open the cap labeled WASHER FLUID ONLY. Add washer fluid until the tank is full. NOTICE: When using concentrated washer fluid, follow the manufacturer's instructions for addingwater. Don't mix water with ready-to-use washer fluid. Water can cause the solution to freeze damage your washer fluid and tank and other parts the washer system. Also, water of doesn't clean as well as washer fluid. Fill your washer fluid tank only full when it's very cold. 3/4 This allows for expansion,which could damage the tank it is if completely full. Don't use radiator antifreeze in your windshield washer. It can damage your washer system and paint. 6-31