Feature:EcoOBD2 is a Plug&Drive Ready device.EcoOBD2 is easy to install. Just plug it into the OBD2 connector of cars. EcoOBD2 fits all car from the year of 1996.It works based on OBD2 protocols as remapping the Car's computer ECU.After driving 200 km road total, EcoOBD2 adjusts itself to the car, according to the drivers' habits and always keeps remappingAccording to your driving habits, EcoOBD2 makes a new map in the car's computer ECU for the vehicle's low fuel consumption.Specifications:Installation And Calibration:Pull the Car Key out from the ignition.Find OBD2 connector(*) in your car and Plug in EcoOBD2.Insert the key into the ignition and twist the key to the first stage. (Do not start the car).Press the reset button for about 5 sec. After releasing the button, just wait for a while about 30-54 sec. (EcoOBD2 will communicate and establish a connection with ECU).Start up the engine.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.includes:1 x OBD2 Fuel Economy Chip Device