<b>Installation and Calibration</b><br> 1.Pull the Car Key out from the ignition.<br> 2.Find OBD2 connector(*) in your car and Plug in EcoOBD2<br> 3.Insert the key into the ignition and twist the key to the first stage. (Do not start the car)<br> 4.Press the reset button for about 5 sec. After releasing the buttom, just wait for a while about 30-54 sec.<br> (EcoOBD2 will communicate and establish connection with ECU)<br> 5.Start up the engine.<br> 6.EcoOBD2 will recognize your vehicle and your driving habits, after around 200 km/150 miles driving and thus EcoOBD2 will adjust itself to match your car perfectly for more fuel saving.<br><br> <b>Packing </b><br> 1pc x OBD2 Plug and Drive Performance Chip Tuning Box