Question about Kenwood Sirius KDC-MP425 CD Player

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Unlocking radio I have a Kenwood Sirius KDC-MP425 CD Player and if I am doing work on my car and I take off the car battery when I put it back on I have to enter my code for the radio which I did but I don't know what to press afterwards....Can you please help me?

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  • Anonymous Nov 28, 2007

    Can anyone help me to unlock my Acura Radio. I entered wrong radio code and it got locked up. Now it is not accepting the code (I got the unlock code from manual now). Someone told me to disconnect battery and try again, but it did not worked. Is there any way of clearing the lock??

  • Anonymous Mar 27, 2014

    I had the battery changed in my car and now the my cd player and radio wont work there is power to the main panel but seems nothing to the front plate .



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Hey you guys. came here looking for a free stereo unlock code as my uk dealer wanted to charge me nearly 25 quid for the pleasure! nuts to that so... Well it turns out that if you go to the dealer that sold the car originally they keep a record of the original unit's unlock code and will give it to you gratis over the phone. that's more like it.

Posted on Dec 01, 2007

  • ramonnyvette May 19, 2012

    So what's the code



I have this problem almost everytime I have to do it.  It's such a rare occasion.  If I remember correctly, just press and hold the key that moves you to the next number... the >>| key, I believe.  After a couple seconds it'll beep & open up (provided you have the correct code).

Posted on Oct 23, 2007


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Posted on Jan 02, 2017

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