1995 Pontiac Grand Am Owner's Manual - Page 225
1995 Pontiac Grand Am Manual
Page 225 highlights
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. Beginning midyear1993, oils of the proper quality for your vehicle will be identified with this new "starburst" symbol. The "starburst" symbol indicates that the has oil been certified by the American Petroleum Institute (MI), and is preferred for use in your gasoline engine. If you change your own oil, be sure you use that has oil the "Starburst" symbol on the of the oil container. front If you have your oil changed for you, be sure the put oil into your engine is American Petroleum Institute certified for gasoline engines. You should also use the proper viscosity oil your for vehicle, as shown in the following chart: 6-14