Have you ever been told that you need a new battery, only to find that the real issue is corrosion on the wires? A quick fix like pouring Coca-Cola on the connections can save you from unnecessary replacement. Similarly, many mechanics recommend frequent oil changes at 3,000 miles, but the truth is, you can often go as far as 7,500 miles before needing a change. Let’s dive into more car secrets and discover how to save money and keep your vehicle running smoothly…