The top end of the technology ladder is held by a scan tool. This car diagnostic tool plugs into the OBD-II port (“OBD” is an acronym for on-board diagnostics, and the “II” designates the second ...

The OBD2 port on all modern vehicles can double as a power source. As a result, many owners opt to tap into this often-ignored port to power devices like a Dash Cam, powered rear view mirrors, radar ...