1996 Pontiac Firebird Owner's Manual - Page 256

Most trips include extensive idling (such as frequent driving in stop-and-go traffic). 0 What to Do with Used Oil Did you know that used engine oil contains certain elements that may 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 a goodhand cleaner. Wash or properly throw away clothing or rags containing used engine oil. (See the manufacturer's warnings about the use and disposal 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 it inthe trash, pouring it on the ground, into sewers, or into streams or bodies of water. Instead, recycle it by taking it to a place that collects used oil. zf Most trips are through dusty areas. You frequently tow a trailer or use a carrier on top of your car. The vehicle is used for delivery service, police, taxi or other commercial application. 0 0 Driving under these conditions causes engine oil to break down sooner.If any one of these is true for your vehicle, then you needto change your oil and filter m or every 3,000 miles (5 000 k ) 3 months -- whichever occurs first. If none of them is true, change the oil and filter every 7,500 miles (12 500 k ) 12 months -- whichever m or occurs first. Driving a vehicle with a fully warmed engine under highway conditions causes engine oil to break down slower. you have a problem properly disposing of your usedoil, ask your dealer, a service station or a local recycling center for help.