1. Purchase an OBD-II scanner.
2. Connect the scanner to the OBD-II port under the dashboard.
3. Turn on the ignition switch.
4. Navigate to the "Read Codes" function on the scanner.
5. Follow the on-screen instructions to read and clear any stored trouble codes.
6. Turn off the ignition switch and disconnect the scanner.
7. Start the engine and check if the service engine soon light has turned off.
