1998 Chevrolet Venture Owner's Manual - Page 350

If none of them is true, use the longtriphighway maintenance schedule. Change the oil and filter every 7,500 miles (12 500 km) or 12 months-- whichever occurs first. Driving a vehicle 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 that maybe unhealthy for your skin and could even causecancer? Don't let used oil stay on your skin for very long. Clean your skin and nails with soap and water, or a good hand cleaner. Wash or properly throw away clothing or rags containing usedengine 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 The air cleaner is located at the front of the engine change your own oil, be sure to drain all free-flowing Oil compartment (on the driver's side of the vehicle), from the filter before disposal. Don't ever dispose of oil under the engine coolant reservoir. by putting it in the trash, pouring it on the ground,into sewers, or into streams or bodies of water. Instead, recycle it by taking it toa place that collects used oil. If you have a problem properly disposing of your used oil, ask your dealer, a service station or a local recycling center for help. 6-15