Carplay SDK or engine

I am working for a company developing car audio system. I would like to know where and how I can get Carplay SDK or Engine.

If you're asking about the CP API as a dev, see: https://developer.apple.com/carplay/


From that link if asking about making hardware: "If you’re interested in developing a CarPlay system, you need to be an MFi license. Learn more about the MFi Program"

Carplay SDK or engine
 
 
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