🔧Changing engine oil and oil filter is crucial for prolonging the life of a car.
⌛Criteria A: Change oil every 3,000 miles if you plan to keep the car for a long time.
🕒Criteria B: Change oil every 5,000 miles for medium-term ownership.
⏰Criteria C: Follow manufacturer's recommendation for short-term ownership.
💡Using synthetic oil can slightly extend the oil change interval.