Page 229 of 356 pages for Buick SKYLARK 1996 Owner Manual.
if your vehicle is certiﬁed to meet Califomia Emission Standards [indicated on the underth tune—up label). it is designed to operate on fuels that meet Califomia specifications. If such fuels are not available in states adopting Caiifortua emissions standards. your vehicle will operate satisfactorily on fuels meeting federal speciﬁcations. but emission control system performance may be aﬂeoled. The malfunction indicator lamp on your instrument panel may turn on andtor your twhich may fail a smogncheclr test. if this occurs. return to your authorized Buick dealer for diagnosis to determine the cause of I'aiiuro. In the event it is determined that the cause of the condition is the type of fuels used. repairs may not be covered by your Warranty.
In Canada, some gasolines contain an octane enhancing additive called MMT. if you use such fuels. your emission control system performance may deteriorate and the malfunction indicator lamp on your instrument panel may turn on. If this happens. rerurn to you: authorized Buick dealer for service.
To provide cleaner air. all gasolines ate now required to contain additives that will help prevent deposits from forming in your engine and fuel system. allowing your enussion control system to i‘uuetion properly. Therefore. you should not have to add anything to the fuel. In addition. gasoline-s 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 decor-lbw earlier,
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 he covered under your warranty.