It's probably no surprise, but your vehicle is a collection of moving parts. Moving parts require lubrication to maintain efficiency and prevent wear and tear. In your engine, this lubrication is provided by motor oil. However, oil doesn't last forever: as time passes, it breaks down and becomes contaminated which means that it can no longer perform its role in your engine's operation. In this post, we're going to discuss why oil changes are so critical to your vehicle's health.