Once you have determined your driving habits, and you can figure out how often to change your oil. Under normal operating conditions, change the oil every 5,000 miles or every six months, whichever comes first. When usage is more severe, change your oil every 3,000 miles or every three months. When in doubt, check your owner s manual. It s important to follow the manufacturer s maintenance schedule.
Most warranties require oil changes and other specified services at the proper mileage intervals.
Whether you change your oil yourself, or it s done by a professional, knowing when to change it and what oil to use will keep your engine free of sludge and running smoothly.