• Pull the Car Key out from the ignition.
  • Find OBD2 connector in your car and Plugin ECOFUEL™
  • 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. (ECOFUEL™ will communicate and establish a connection with ECU)
  • Start up the engine.
  • ECOFUEL™ will recognize your vehicle and your driving habits, after around 200 km/150 miles driving and thus ECOFUEL™ will adjust itself to match your car perfectly for more fuel saving.