* Turn off your engine and disconnect the negative terminal of your car's battery.
* Wait for 10 minutes.
* Reconnect the negative terminal of your car's battery.
* Start your engine and let it run for a few minutes.
* If the check engine light is still on, have it diagnosed by a mechanic.
Note: This solution assumes the check engine light was activated due to a minor and transient problem. If the light is still on, it's essential to have your vehicle inspected by a professional to determine the underlying issue and receive appropriate repairs.