Just received this while trying to access out on-star account and look at plan info. We have had ongoing issues with VoltStats losing our OnStar connection. They are not a star in my mind unless you are talking 1 out 5 star rating 
"We're sorry! We seem to be having some technical difficulties. Please try again later or call 1.888.4.ONSTAR to speak with an Advisor."
"We're sorry! We seem to be having some technical difficulties. Please try again later or call 1.888.4.ONSTAR to speak with an Advisor."