Buick 2005 LaCrosse User Manual download pdf (Page 283)

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Gasolines containing oxygenates, such as ethers and

ethanol, and reformulated gasolines may be available in

your area to contribute to clean air. General Motors

recommends that you use these gasolines, particularly if

they comply with the speciﬁcations described earlier.

Notice: Your vehicle was not designed for fuel that

contains methanol. Do not use fuel containing

methanol. It can corrode metal parts in your fuel

system and also damage the plastic and rubber

parts. That damage would not be covered under

your warranty.

Some gasolines that are not reformulated for low

emissions may contain an octane-enhancing additive

called methylcyclopentadienyl manganese tricarbonyl

(MMT); ask the attendant where you buy gasoline

whether the fuel contains MMT. General Motors does not

recommend the use of such gasolines. Fuels containing

MMT can reduce the life of spark plugs and the

performance of the emission control system may be

affected. The malfunction indicator lamp may turn on.

If this occurs, return to your authorized GM dealer

for service.

Fuels in Foreign Countries

If you plan on driving in another country outside the

United States or Canada, the proper fuel may be hard

to ﬁnd. Never use leaded gasoline or any other fuel

not recommended in the previous text on fuel. Costly

repairs caused by use of improper fuel would not

be covered by your warranty.

To check the fuel availability, ask an auto club, or

contact a major oil company that does business in the

country where you will be driving.

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