1. Turn the ignition switch to the "OFF" position.
2. Locate the ECU, which is usually located under the hood of the car, near the battery.
3. Disconnect the negative battery cable from the battery.
4. Wait for at least 30 seconds.
5. Reconnect the negative battery cable to the battery.
6. Turn the ignition switch to the "ON" position, but do not start the engine.
7. Wait for at least 1 minute.
8. Start the engine.
The ECU will now be reset.