1998 Pontiac Firebird Owner's Manual - Page 285

The level should be at the full cold mark.necessary, If add only enough fluid to bring the level up tomark. the Windshield Washer Fluid What to Use When you need windshield washer fluid, be sure to read the manufacturer's instructions before If you will be use. operating your vehicle an area where the temperature in may fall below freezing, use fluid thathas sufficient a protection against freezing. Adding Washer Fluid 1 0 When the engine compartment is hot, the level H should be at the or hotmark. When the engine compartment is cool, the level C should be at the or fullcold mark. What to Use To determine what kind fluid to use, see of "Recommended Fluidsand Lubricants" in the Index. Always use the proper fluid. Failureto use the proper fluid cancause leaks and darnage hoses and seals. Open thecap labeled WASHER FLUID ONLY. Add washer fluid until the tank full. is 6-32