1998 Cadillac Seville Owner's Manual - Page 288

What Kind of Engine Oilto Use Oils recommended for your vehiclecan be identifiedby looking for the "Starburst" symbol. This symbol indicates that the has been certified by American oil the Petroleum Institute(API). Do not use anyoil which does not carry this Starburst symbol. RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT M LOWEST E SA€ VISCOSITY GRADE OIL FOR THE EXPECTED TEMPERATURE RANGE. HOT WEATHER I WOK FOR T I H S SYMBOL If you change your own oil, be sure you use oil that hasthe Starburst symbol onthe front of the oil container. If you have your oil changedfor you, be sure the oil put into your engineis American Petroleum Institute certified for gasoline engines. You should also usethe proper viscosity oilfor your vehicle, as shown in the following chart: 7 "F c 100- "C + 38 7 + 80 ' + 27 + 16 +4 + 60. +40. + 20 0- -7 - 18 1 1 SAE law-30 1 PREFERRED .bow 0°F (-1eoC) I WEATHER DO NOT USE SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED - 6-13