1998 GMC Safari Owner's Manual - Page 276

Engine Oil Additives Don't add anythingto Y ~ U ? Your dealer is ready oil. to advise if you think something should be added. When to Change Engine Oil If any one of these is true for you, use the short trip/city maintenance schedule: 0 If none of them is true, use the longtriphighway maintenance schedule. Changethe oil andfilter 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. What to Do with Used Oil Did you know that used engine contains certain oil elements thatmay 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 0 Most trips include extensive idling (such as frequent water, or a good hand cleaner. Washproperly throw or driving in stop-and-go traffic). away clothingor rags containing used engine oil. (See 0 Most trips are through dusty areas. the manufacturer's warnings about use and disposal the of oil products.) 0 You frequently tow a trailer use a carrier on top or of your vehicle. Used oil can be a real threat the environment. If you to change your own oil, be sure to drain all free-flowing oil 0 The vehicle is used for delivery service, police, taxi from the filter before disposal. Don't ever dispose of oil or other commercial application. by putting it in the trash, pouring it on the ground,into Driving under these conditions causes engine oil to sewers, or into streams bodies of water. Instead, or break down sooner. any one of these is true for your If recycle it by taking it to a place that collects used If oil. vehicle, then you need change youroil and filter to you have a problem properly disposing of your used oil, every 3,000 miles (5 000 km) or 3 months -- whichever ask your dealer, a service station or a local recycling occurs first. center for help. Most trips are less than to 10 miles (8 to 16 km). 5 This is particularly important when outside temperatures are below freezing. 6-14