OnStar Phone Number

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In the meantime, here are recent comments from other OnStar customers who called 888-466-7827:
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   Well done. Many thanx.
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   I didn't receive any answer for my problem. I called 3 times with no help so I tried this way...
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Stan Keele...
   I have a problem understanding why I can't add minutes and have them expire at the same time ...
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   I was yelled at by a man I did not feel comfortable with from the Philippines. Due to him yel...
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   Excellent service
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