1994 Pontiac Bonneville Owner's Manual - Page 210

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 in the trash, pouring it on the ground, into sewers,or into streams or bodiesof water. Instead, recycle it by taking it toa place that collects used oil. If you have a proplem properly disposing of your used oil; ask your dealer, a service station ora local recycling center for help. Air Cleaner Refer to the Maintenance Scheduleto determine when to replace theair filter. See "Scheduled Maintenance Services" in the Index. To Check or Replace (3800 Engine): 1. Unscrew the three wing screws in the housing cover and pull back. NOTICE: If the air cleaner is off, a backfire can cause a damaging engine fire. And, dirt can easily getinto your engine, which will damage it. Always have the air cleaner in place when you're driving. t 209.. .