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  1. 2012 Volt displays "file authentication" error with "audio book" feature

    Problems, Driver Warnings or DTCs - Chevy Volt
    2012 Volt displays "file authentication" error with "audio book" feature Good: I just found the "Audio Book" feature in my 2012 Volt Bad: It doesn't work. It displays a message that includes "file authentication"... I hope I'm not the first person to actually use this feature! Of course I...
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