- Press the button once to disable or enable the unit.
- If the LED is on, it is enabled.
- If the LED is off, it is disabled.
- You can leave the unit enabled at all times or turn it off when you don't need it.
- You can also hold down the button for greater than 5 seconds to clear your PCM's error codes and check engine light.
- This can only be done while the key is in the on position and the car is NOT running.
- If the code clearing is successful, the LED on the unit will blink twice.
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