1993 Chevrolet Cavalier Owner's Manual - Page 210

Service & Appearance Care When to Change Engine Oil See if any one of these is true for you: Engine Block Heater What to Do with Used Oil CAUTION An engine block heater can be a big Most trips are less than4 miles (6 km). help if you have to parkoutside in very It's below freezing outside and most cold weather, 0°F (-18°C) or colder. If your vehicle has thisoption, see the trips are less than 10 miles (16 km). i dx under Engine Block Heater. ne The engine is at low speed most of the time (as in door-to-door delivery,or in stop-and-go traffic). Most trips arethrough dusty places. If any one of these is true for your vehicle, then you need to change your oil and filter every 3,000 miles (5 OOO km) or 3 months-whichever comes first. If none of them is true, change the oil every 7,500 miles (12500 km) or 12 months-whichever comes first. Change the filter at the first oil change and at every other oil change afterthat. 208 A Used engine oil contains things that have caused skin cancer in laboratory animals.Don't let used oil stay on your skin for very long. Clean your skin and nails with soap and water, a or good hand cleaner. Wash or properly throw away clothing or rags containing used engineoil.