How to mend Sony Cdx-gt420u

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Hi can anyone tell me the code for my radio?

How can I fix my Sony CDX-4000R radio/cd?

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got no money PLEASE help my cerial no is C010854 RADIO is lock for long tim?

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could you give me my radio code please?

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i need a code for my radio plz?

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i hacve the same problem can anyone help?

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hi,can help me somebody?i need cod for SONY player of FORD C-MAX.THANKS?

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how do I fix my cd player?