1996 Cadillac DeVille Owner's Manual - Page 272

~ The oil fill cap is located behind the radiator the on passenger's side of the engine. Turn thecap 1 counterclockwise to remove. ~ What Kind of Oil to Use Oils recommendedfor your vehicle can be identified by looking for the "Starburst" symbol. This symbol indicates that the has been certified the American oil by Petroleum Institute(API). Do not use any oil which does not carry this Starburst symbol. L put in Just fill it enough to the level somewhere the the proper operating range. Push the dipstick all way back in when you're through. If you change yourown oil, be sure you use oil that has the Starburst of symbol on the front the oil container. If you have your oil changed for you, be sure the oil put into your engineis American Petroleum Institute certified for gasoline engines. You should also use the proper viscosity oil for your vehicle, as shown in the following chart: 6-11