1997 Chevrolet Lumina Owner's Manual - Page 245

What nd of Oil to Use Oils recommendedfor your vehiclecan be identified by looking for the "Starburst" symbol. This symbol indicates that the oil been certifiedby the American has Petroleum Institute (API).Do not use anyoil which does not carry this Starburst symbol. If you change your own oil, be sure youuse oil that has the Starburst symbol on the front of the oil container. 3100 (Code M) Engine The engine oil fill cap is located toward the front of the engine near theyellow-looped engine oil dipstick. Be sure tofill it enough to put the level somewhere in the proper operating range. Push the dipstick all the way back in whenyou're through. If you have your oil changed for you, be sure theoil put into your engine is American Petroleum Institute certified for gasoline engines. proper viscosity oil for your You should also use the vehicle, as shown in thefollowing chart: 6-13