After repairing how do you turn off the check eng light?

To turn off the check engine light after repairs, you can use an OBD-II scanner to clear the diagnostic trouble codes from the vehicle's computer. Alternatively, disconnecting the car battery for a few minutes can reset the system and turn off the light. However, it's essential to ensure that the underlying issue has been resolved, as the light will reappear if the problem persists. Always consult your vehicle's manual for specific instructions related to your make and model.