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3 days ago · 
1- Open your hood.
Once you have located the battery, remove the negative cable using a wrench (socket or adjustable). The negative cable is usually covered by a cap with a minus sign on it.
2- Drain the capacitors.
Press the horn for 30 seconds or turn on your headlights, in order to drain the residual electricity. Neither the horn nor the headlights will work, since the power is not connected, but by doing this, you will drain the remaining electricity in the capacitors.
3- Wait 15 minutes.
Leaving the battery disconnected for 15 minutes will allow your vehicle's system to reset when you reconnect it. Reconnect the negative cable to the terminal and replace the cap (if there was one). Since you disconnected the battery, the error codes are cleared and the engine light is off.
