1993 Buick Park Avenue Owner's Manual - Page 254

To Check Engine Oil: I i Pull out the dipstick and clean it with a paper towel or cloth, then push it back in all the way. Remove it again, keeping the tip lower. I NOTICE: Don't add too much If your engine hasso oil. much oil that the oil level gets above the cross-hatched area that shows the proper operating range, your engine could be damaged, Use the engine oil fill cap next to the oil dipstick to add oil. Just fill it enough,to the level somewhere in the put proper operating range. Push the-dipstick all the way back in when you're through. When to Add Oil: If the oil is at or below the ADD line you'll need to add some oil. But you must use the right kind. This section explains what kind of oil to use. For crankcase capacity, see "Capacities and Specifications"in the Index. 252