1995 Pontiac Bonneville Owner's Manual - Page 227

What Kind of Oil to Use Oils of the proper qualityfor 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. * * ~ RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS FOR BEST FUEL ECONOMY AND COLD STARTINB, SELECT THE LOWEST SAL VISCOSITY GRADE OIL FOR THE EXPECTED TEMPERATURE RANGE. HOT WEATHER 7 LOOK FOR THIS 1 SYMBOL L "C t + 38 + 27 t L + 16 t4 -1 - 4 18 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 certified for gasoline engines. You should also usethe proper viscosity oil for your vehicle, as shown in the following chart: M WEATHER I (-18°C) E 1OW-30 ERRRED mve 0°F DO NOT USE SAE 2OW.50 OR ANY OTHER GRADE OIL NOT RECOMMENDED 6-14