1997 Cadillac DeVille Owner's Manual - Page 287

To provide cleanerair, all gasolines in the United States are now required to contain additives that will help prevent depositsfrom forming in your engine and fuel system, allowing your emission control system to function properly. Therefore, you should not have to add anythingto the fuel.In addition, gasolines containing oxygenates, such ethers and ethanol, as and reformulated gasolines may be available in your area to help clean air. General Motors recommends the that you use these gasolinesthey comply with if the specifications described earlier. Fuels in Foreign Countries If you plan on driving in another country outside the United States or Canada, the proper fuel be hard to may find. Never use leaded gasoline or any othernot fuel recommended in the previous text on Costly repairs fuel. caused by use improper fuel wouldn't be covered by of your warranty. To check on fuel availability, ask an auto club, or contact a major oil company that does business in the country where you'll driving. be You can also write us at the following address for tellyour and where Just advice. going us give you're (VIN). Vehicle Identification Number General Motors International Product Center 1908 Colonel Sam Drive Oshawa, Ontario LlH 8P7 NOTICE: Your vehicle was not designed for fuel that contains methanol. Don't use it. It can corrode metal parts in your fuel system and also damage plastic and rubber parts. That damage wouldn't be covered under your warranty. 6-4