“rp4.2-HY11 is what it says fits my 2011 sonata limited but it seems discontinued maybe? will this HY12 possibly work still?”

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• The RP4.2-HY11 is the correct interface for a 2011 Sonata. The RP4.2-HY12 will only work for the Veloster.

  Answered by AAMP Global 3 years ago

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