The code for the serial number M042817 is 8834.
You can reset the LOCKED message yourself. Just do the following:
1. Turn the radio OFF.
2. Press and hold the "6" button, do not release it.
3. Turn the radio ON.
4. Continue to hold the "6" button until you see the CODE message. This may take up to 10-30 seconds.
Note: The procedure above will allow 3 additional tries. Then the radio will be locked and can only be unlocked with a professional decoding equipment.
A.R.S.
November 2012