Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

Do I need to use a third-party app to scan a QR code? Our reader above asked us to recommend QR code reader apps. However, I recommend not using these reader apps at all.

Here's how to read QR codes using your iPhone, iPad, or iPod touch. A QR code is a type of two-dimensional barcode that can be read by devices with a camera or specialized barcode reader.

QR codes are easy to use if you know how to access the information they contain and have an internet connection. Here are a few ways to access QR code information using your iPhone with iOS 16.

The hand-held Equus 3100 OBD-II code reader is versatile and easy to use. Just plug it into the diagnostic port, hit the link key, and wait for the codes to flow. The owner's manual has more than ...