Looking for even more great savings? Head over to Today’s Best Deals page to see all our top deals from today. Modern cars are getting to the point where it’s almost impossible to be a home mechanic.

Before I figured out how to work on cars, onboard computer systems scared me. I’ve had no formal training, after all, so the idea of a car’s complex electricals and countless sensors made DIY work ...

This article was updated in November 2025 with new information. You know you’ve earned your DIY stripes when you can stay calm the moment something goes wrong. And with cars, that moment usually ...