1998 Oldsmobile 88 Owner's Manual - Page 232

Adding Equipment to the Outside of Your Vehicle You can beinjured and your vehicle could be damaged if you try to do service work on a vehicle without knowing enough about it. Be sure you have sufficient knowledge, experience, theproper replacement parts and tools beforeyou attempt any vehicle maintenance task. Be sure to use the proper nuts, bolts and other fasteners. "English"and "metric" fasteners can be easily confused. If you use the wrong fasteners,parts can later break or fall off. You could behurt. Things you might add to outside of your vehicle can the affect the airflow aroundit. This may cause wind noise and affect windshield washer performance. Check with your retailer before adding equipment the outside of to your vehicle. Fuel Use regular unleaded gasoline rated at 87 octane or higher. At a minimum, should meet specifications it ASTM D4814 inthe United States and CGSB 3.5-M93 in Canada. Improved gasoline specifications have been developed bythe American Automobile Manufacturers Association ( " A ) for better vehicle performance and engine protection. Gasolines meeting AAMA the specification could provide improved driveability and emission control system protection compared to other gasolines. 6-3