There it is. On your dashboard. Staring at you, mocking you, making you plot insurance fraud: your car’s check engine light. That little bugger has been on your dash for weeks now and you haven’t been ...

Plug in all the things.

Modern cars are basically computers on wheels. With so many electrical systems, sensors, and motors, there’s so much that could potentially go wrong. When something does go awry, pinpointing the ...

Plug in, open an app, and your check-engine light finally talks back. Here’s what an OBD2 scanner really does, and five brands worth your money. OBD2 scanners diagnose car issues but can cause ...