1994 Buick Regal Owner's Manual - Page 212

If you plan on driving in another country outside the U.S. or Canada, unleaded fuel may be hard to find. Do not use leaded gasoline. If you use even one tankful, your emission controls won't work well or at all. With continuous use, spark plugs can get fouled, the exhaust In addition, some gasoline suppliers are now producing system can corrode, and your engine oil can deteriorate reformulated gasolines. These gasolines specially are quickly. Your vehicle's oxygen sensor will be damaged. designed to reduce vehicle emissions. General Motors All of that means costly repairs that wouldn't be covered recommends that you use reformulated gasoline. By by your warranty. doing so, you can help clean the air, especially in those To check on fuel availability, ask an auto club, or parts of the country that have high ozone levels. contact a major oil company that does business in the You should ask your service station operators if their country where you'll be driving. gasolines contain deposit control additives and You can also write at the following address for us oxygenates, and if they have been reformulated to advice. Just tellus where you're going and give your reduce vehicle emissions. Vehicle Identification Number(VIN). General Motors Overseas Distribution Corporation, North American Export Sales (NAES) 1908 Colonel Sam Drive Oshawa, Ontario L1H 8P7 Many gasolines are now blended with oxygenates. you General Motors recommends that use gasolines with these blending materials, such MTBE and ethanol. By as doing so, you can help clean the air, especially in those parts of the country that have high carbon monoxide. levels. Fuels in Foreign Countries 210