Owner's Manual
Page 256
...fuels containing MMT are used, spark plug life may be reduced and your warranty. Therefore, you plan on fuel availability, ask an auto club, or contact a major oil company that does business in your engine and fuel system, allowing your emission control system to the fuel.... or Canada, the proper fuel may be driving. 6-5 To check on driving in your warranty. Never use it. ask your authorized Buick dealer for service. General Motors does not recommend the use these gasolines, particularly if they comply with the specifications described earlier. Some gasolines...
...fuels containing MMT are used, spark plug life may be reduced and your warranty. Therefore, you plan on fuel availability, ask an auto club, or contact a major oil company that does business in your engine and fuel system, allowing your emission control system to the fuel.... or Canada, the proper fuel may be driving. 6-5 To check on driving in your warranty. Never use it. ask your authorized Buick dealer for service. General Motors does not recommend the use these gasolines, particularly if they comply with the specifications described earlier. Some gasolines...