1998 Pontiac Sunfire Owner's Manual - Page 260

Engine Oil Additives -8.8 Don't add anything to your oil. Your dealer is ready to advise if you think something should be added. ~ I I . When to Change Engine Oil If any one of these is true for you, use the short t i . : ~ r~'! maintenance schedule: Most trips are less than 5 to 10 miles (8 to 16 km). This is particularly important when outside temperatures are below freezing. Most trips include extensive idling (such as freqllqnt driving in stop-and-go traffic). If none of them is true, use the 1 m.aintenance schedule. Change 7,500 miles (12 500 k ) 12 m or occurs first. Driving a vehicle engine under highway conditi break down slower. What to Do with Used Oil Did you know that used engin elements that may be unheal even cause cancer? Don't le for very long. Clean your s water, or a good hand cle away clothing or rags co the manufacturer's warn of oil products.) Used oil can b'ea real threat to change your own oil, be sure t from the filter before disposal by putting it in trash, pou the sewers, or into streams or bo recycle it by taking it to a pl you have a problem proper1 ask your dealer, a service st center for help. our skin and could Most trips are through dusty areas. You frequently tow a trailer or use a carrier on tap of . . , your vehicle. ,::...I( ,,. > .I," The vehicle is used for delivery service, police, B x ai or other commercial application. Driving under these conditions causes engine oil to I break down sooner, Ifany one of these is true for your vehicle, then you need to change your oil and filter m or every 3,000 miles (5 000 k ) 3 months -- whichever occurs first. t nvironment. If you n all free-flowing oil t ever dispose of oil llects used oil. If I 6-16 I,