1996 Cadillac Eldorado Owner's Manual - Page 269

~ NOTICE: ~ What'Kindof Oil to Use Oils recommendedfor your vehicle can identified by be looking for the "Starburst" symbol. This symbol indicates that the has been certifiedby the American oil Petroleum Institute (API). Do not use any oil which does not carry this Starburst symbol. ' Don't add too much If your engine has oil: so much oil that the oil level gets above the upper mark that shows the proper operating range, your engine could be damaged. I - The oil fill cap is located behind the radiator on the passenger's sideof the engine. Turn the cap counterclockwise to remove. If you change your own oil, be sure you use oil that has the Starburst symbolon the front of the oil container. If you have your oil changed oil for you, be sure the put into your engine is American Petroleum Institute certified for gasoline engines. You should also use the proper viscosityoil for your vehicle, as shown in the following'chart: Just fill it enough to put'the level somewhere in the proper operating range. Push dipstick all the way the back ip when you're through. 6-10