If you see a light illuminated on your dashboard, you can use an OBD2 scanner to determine what's wrong with your vehicle.

Just before leaving on a trip he bought a laptop on the cheap. He didn’t pay much attention to the features and was disappointed it didn’t have a fingerprint scanner. Working in Linux he uses ...

But most cars keep a record of any malfunction in their onboard computer, and you can interrogate the system if you have a neat bit of equipment known as an OBD reader. OBD stands for On Board ...