1995 Oldsmobile Achieva Owner's Manual - Page 223

When to Add Oil If the oil is at or below the ADD line, then you'll need to add some oil. But you must use the right kind. This put explains what kind of oil to use. For crankcase capacity, see "Capacities and Specifications" in the Index. I NOTICE: Don't add too much If your enginehas so oil. much oil that the level gets above the upper oil mark that shows the proper operating range, your engine couldbe damaged. Just fill it enough to put the level somewhere in the proper operating range. Push the dipstick all the way back in when you're through. If you change your own oil, be sure you use oil that has the "Starburst" symbol on the front of the oil container. If you have your oil changed for you, be sure the oil put into your engine is American Petroleum Institute certificd for gasoline engines. You should also use the proper viscosity oil for your vehicle, as shown i n the following chart: What Kind of Oil to Use Oils of the proper quality for your vehicle can be identified by looking for the "Starburst" symbol.The "Starburst" symbol indicates that the oil has been certified by the American Petroleum Institute (API), and is preferred for use in your gasoline engine. 6-13