1998 Pontiac Bonneville Owner's Manual - Page 278

When to Check Power Steering Fluid It is not necessary to regularly check power steering fluid unless you suspect there is a leak in the system or you hear an unusual noise. A fluid loss in this system could indicate a problem. Have the system inspected and repaired. Windshield Washer Fluid What to Use When you need windshield washer fluid, be sure to read If the manufacturer's instructions before use. you will be operating your vehicle in an area where temperature the may fall below freezing, use a fluid that has sufficient protection against freezing. How To Check Power Steering Fluid When the engine compartment is cool, wipe the cap and Adding the topof the reservoir clean, then unscrew the cap and wipe the dipstick with a clean rag. Replace the cap and completely tightenit. Then remove the cap again and look at the fluid level on the dipstick. The level should at theFULL COLD mark. If be necessary, add only enough fluid to bring the level up to the mark. Washer Fluid What to Use To determine what kind fluid to use,see of "Recommended Fluids and Lubricants" the Index. in Always use the proper fluid. Failure to use the proper fluid can cause leaks and damage hoses and seals. Open the cap labeled WASHER FLUID ONLY. Add washer fluid until the tank is full. 6-27