Do you own a car and sometime red is coming out from your dash board and you have no idea what is it? You might want to have this troubleshooter that pinpoint your car possible defect. Plug in and follow the instructions on screen it gives you the code. It is a perfect scan tools for your car. For all kind of vehicles that have OBD2 ports located underneath the wheel, easy installation can DIY configuration. It's a 16 pins socket.