On-board diagnostics (OBD) refers to a vehicle’s self-diagnostic and reporting capability. All the data from a car is stored in the car’s Engine Control Module (ECM) and can be read through its OBD port. The OBD port is located near the driver’s seat & there’s no need to open your car’s bonnet. Inexpensive Bluetooth scanners, available on any e-commerce websites, can be used to read this data. If you want to know the location of the port in your car, just comment below and we’ll show you where your port is.