1998 Pontiac Bonneville Owner's Manual - Page 268

If none of them is true, usethe long triphighway 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 engineto oil break down slower. Air Cleaner The air cleaner and filter are on driver's sideof the the engine compartment. What toDo with Used Oil Did you know that used engine oil contains certain elements that may be unhealthy your skin and could for even cause cancer? Don't let used oil stay on your skin skin for very long. Clean your and nails with soap and water, or a good hand 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 the environment.If you to change your own oil, be sure to drain all free-flowing oil from the filter before disposal. Don't dispose of oil ever by putting it in trash, pouring it on the ground, the into sewers, or into streams bodies of water. Instead, or recycle it by taking it to a place that collects used If oil. you have a problem properly disposing of your used oil, ask your dealer, a service station or a local recycling center for help. 1. Remove the screws onthe air cleaner housing cover. 6-17