locked 0 radio

Asked by MM04 Apr 03, 2010 at 02:02 PM about the 2004 Mercury Mountaineer Convenience AWD

Question type: Maintenance & Repair

After changing the battery, my radio asked for a key code. No one could give me the key code. after several guesses, my radio displayed "Locked 0". How could I unlock this?

1 Answer
20,115

Mike answered 14 years ago

Usually the access code is with the owners manual. If you do not have it you are off to the dealer It is a security theft deterrant - Some times you need to remove the radio for numbers off of it.

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