1993 Pontiac Bonneville Owner's Manual - Page 234

When to Change Engine Oil See if any one of these is true for you: Most trips are less than miles (6 km). 4 It's below freezing outside and most trips are less than 10 miles (16 km). The engine is at low speed most of the time (as in door-to-door delivery, or in stop-and-go traffic). You tow a trailer often. Most trips are through dusty places. If any one of these is true for your vehicle, you need to change your oil and filter every 3,000 miles (5 000 km) or 3 months-whichever comes first. If none of them is true, change the oil every 7,500 miles (12 500 km) or 12 months-whichever comes first. Change the filter at the first oil change and at every other oil change after that. Engine Block Heater An engine block heater can be a big help if you have to park outsidein very cold weather, 0°F (-18OC) or colder. If your vehicle has this option, see the Index under Engine Block Heater. What Do with OilCleaner to Used Air Refer to the Maintenance Schedule to determine when to replace the air filter. See the Index under Scheduled Maintenance Services. 1 things that have caused skin cancer in laboratory animals. Don't let used oil stay on your skin fbr very long. Clean your skin and nails with soaQ and water,or a good hand cleaner. Wash or properly throw away clothing or rags containing usedengine oil. 1% I I I CAUTION Usedoil can bearealthreatto 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 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. If you have a problem properly disposing of your used oil, ask your dealer, a service station or a local recycling center for help. I Operating the engine with the air cleaner off can cause you uz others to be burned. The air cleaner not only cleans the air, it stops flame if the engine backfires. If it isn't there, and the engine backfires, you could be burned. Don't drive with it off, and be careful working on the engine with the air cleaner off. I If the air cleaner is off, a backfire can cause a damaging engine fire. And, dirt can easily get into your engine, which will damage it. Always have the air cleaner in place when you'redriving. ...