1996 Oldsmobile Aurora Owner's Manual - Page 248

Your vehicle has an air bag system. Before attempting to do your own service work, see "Servicing Your Air Bag-Equipped Aurora" in theIndex. You should keep a record withall parts receipts and list the mileage and the date of any service work you perform. See "Maintenance Record" in the Index. Fuel Use premium unleaded gasoline rated at 91 octane or higher. At a minimum, it should meet Specifications ASTM D4814 in the United States and CGSB 3.5-M93in Canada. Improved gasoline specifications have been developed by the American Automobile Manufacturers Association (AAMA) for better vehicle performance and engine protection. Gasolines meeting theAAMA specification could provide improved driveability and emission control system protection compared to other gasolines. Be sure the posted octane for premium is at least 91. If the octane is less than 91, you may get a heavy knocking noise when you drive. (In an emergency, you may be able to use a lower octane -- as low as87 -- if heavy knocking does not occur.) If you're using or higher 91 octane unleaded gasoline and you still hear heavy knocking, your engine needs service. If your vehicle is certified to meet California Emission Standards (indicated on the underhood tune-up label), it is designed to operate on fuels that meet California specifications. If such fuels are not available instates adopting California emissions standards, your vehicle will operate satisfactorily on fuels meeting federal specifications, but emission control system performance may be affected.The malfunction indicator lamp on your instrument panel may turn and/or your vehicle on You can be injured and your vehicle could be damaged if you try to do service work on a vehicle without knowingenough about it. Be sure you have sufficient knowledge, experience, and the proper replacement parts and tools before you attempt any vehicle maintenance task. Be sure to use the proper nuts, bolts and other fasteners. "English" and "metric" fasteners canbe easily confused.If you use the wrong fasteners, parts can later break or fall off. You could be hurt. .