1. Turn the ignition key to the "ON" position, but do not start the engine.
2. Press and hold the "Trip" button on the instrument panel until the display reads "RESET".
3. Release the "Trip" button and turn the ignition key to the "OFF" position.
4. Wait for a few seconds, then turn the ignition key to the "ON" position again. The engine management light should now be reset.
Note: If the engine management light does not reset, there may be a problem with the engine that needs to be diagnosed. In this case, you should take your car to a qualified mechanic.