The OBD2 scanner is one of the most popular consumer electronics scanners. The best OBD2 scanner analyzes vehicles' parts to determine what is wrong with them, what faults are fixed, and how to prevent them from happening again. Once you have purchased a scanner, now what? We all know that you should calibrate your scanner before using it since it will help you avoid any problems down the road. But there are other things you can do with your OBD2 scanner! Perhaps you don't understand how it works, or maybe your car is parked at home and not its actual...