1997 Cadillac Eldorado Owner's Manual - Page 267

To provide cleaner air, allgasolines in the UnitedStates are now required to contain additives that will help prevent deposits from forming in your engine and fuel system, allowing your emission control system to function properly. Therefore, you should not have to add anything to the fuel. In addition, gasolines containing oxygenates, such as ethers and ethanol, and reformulated gasolines may be available in your area to help clean the air. General Motors recommends that you use these gasolines if they comply with the specifications described earlier. rei s If you plan on driving in another country outside the United States or Canada, theproper fuel may be hard to find. Never use leadedgasoline or any otherfuel not recommended in the previous texton fuel. Costly repairs caused by use of improper fuel wouldn't becovered by your warranty. To check on fuel availability, ask anauto club, or contact a major oil company that does business in the country where you'll bedriving. You can also write us at the following address for advice. Just tell us where you'regoing and give your Vehicle Identification Number(VIN). General Motors International Product Center 1908 Colonel Sam Drive Oshawa, Ontario LlH 8P7 N B e ~ -~ Your vehicle wasnot designed for fuel that contains methanol. Don% use I& corrode it.can metal parts inYOU^: fuel system and also damage plastic and rubber pasts. That damage wouldn't be covered under your warranty.