1997 Chevrolet Tahoe Owner's Manual - Page 284

To provide cleaner air, all gasolinesin the United States are now required to contain additives that will help prevent deposits from forming your engine and fuel in 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. Fuels in Foreign Countries Gasoline -Engines 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 any other fuel not or recommended in the previous on fuel. Costly repairs text caused by use of improper fuelwouldn't be covered by 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 be driving. You can also write at the following address for us advice. Just tell where you're going and give your us Vehicle Identification Number (VIN). General Motors International Product Center 1908 Colonel Sam Drive Oshawa, OntarioL1H 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. 6-5