️ Editor's note: This product category requires new testing about once a year. We'll update this article with the most recent information when it's available. Modern cars are technological marvels, ...

Antuan started out in the automotive industry the old-fashioned way, by turning wrenches in a driveway and picking up speeding tickets. He now has nearly 20 years of expertise and experience behind ...

We may receive a commission on purchases made from links. If you own a car built in 1996 or later for the U.S. market, the odds are overwhelming that it has an OBD port. You may have even noticed its ...

There's nothing more intimidating for many drivers than to find a warning error light appear on your vehicle dashboard. While some may be confident in their ability ...

Diagnosing automotive problems used to be much more challenging. A mechanic had to use all of their skills to pinpoint mechanical or electrical issues. Nowadays, you can diagnose many problems ...

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 ...