1998 Oldsmobile Silhouette Owner's Manual - Page 325

If none of them is true, use the triphighway long maintenance schedule. Change the oil filter every and 7,500 miles (12 500 k ) 12 months -- whichever m or occurs first. Driving avehicle with a fully warmed engine under highway conditions causes engine oil to break down slower. Air Cleaner What to Do with Used Oil Did you know that used engine oil contains certain elements thatmay be unhealthy for your skin and could even cause cancer? Don't let used oil stay on your skin for very long. Clean your skin and nails with soap and water, or agood hand cleaner. Wash or properly throw away clothing or rags containing engine oil. (See used the manufacturer's warnings about the use disposal and of oil products.) Used oil can be a real threat to the environment.If you change your own oil, be sure to drain all free-flowing oil from the filter before disposal. Don't ever dispose of oil by putting itin the trash, pouring it the ground, into on sewers, or into streams bodies of water. Instead, or recycle itby taking it to a place that collects oil. If used you have a problem properly disposing of your used oil, ask your retailer, a service station or a local recycling center for help. The air cleaner located at the frontof the engine is compartment (on the driver's side the vehicle), under of the engine coolant reservoir. 6-15