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  1. Blue OnStar button not working - not covered by warranty ?

    Generation 1 Volt (2011-2015)
    Hi, I took my 2011 Volt to a dealership last Thursday because the blue OnStar button stopped working, and there is a check engine light on the display. The service writer told me there was a $98 diagnostic charge for each of the two problems. However, if it is determined they are covered by...
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