👉 The automobile fluid, commonly known as motor oil, is a crucial component in vehicle maintenance and performance. Primarily used to lubricate moving parts within the engine, it reduces friction, dissipates heat, and protects metal surfaces from wear and corrosion. There are several types of motor oil, each formulated for specific engine conditions, ranging from light-spec to full-synthetic oils. Regularly changing the motor oil is essential for maintaining optimal engine health, improving fuel efficiency, and extending the lifespan of the vehicle. Additionally, some fluids, like coolant and transmission fluid, serve specialized roles in temperature regulation and lubrication of other critical components.