Engine oil is the lifeblood of your vehicle. It lubricates moving parts, reduces friction, and helps dissipate heat. Over time, oil breaks down and becomes contaminated with dirt, metal particles, and combustion byproducts. Running on old oil accelerates wear and can lead to costly engine damage.
The traditional rule of changing oil every 3,000 kilometres has largely been replaced by manufacturer recommendations, which often range from 5,000 to 12,000 kilometres depending on the vehicle and oil type. Modern synthetic oils last longer and perform better under extreme temperatures than conventional oils.
Your driving habits matter. Frequent short trips, stop-and-go city driving, towing, and extreme temperatures put more stress on oil. If most of your driving involves these conditions, shorter intervals are wise even if your manual suggests longer ones.
Time is another factor. Even if you drive infrequently, oil degrades over months. Most manufacturers recommend at least one oil change per year for low-mileage vehicles. Check both mileage and calendar intervals and follow whichever comes first.