I just purchased a 2012 Volt and every time I look on the on the OnStar or MY volt site it get the message "Our attempts to run a diagnostic check on your vehicle were unsuccessful. If your dashboard indicator light is on, push your blue OnStar button" Has anyone else had this issue? Thanks for...

Onstar telemetry is cool in theory. In practice most of us have noticed the poor reliability. The smartphone app or myvolt.com sometimes doesn't connect for mysterious reasons. Quite often, I do not receive charge status messages from my Volt. As it turns out, the Volt Driver Challenge app is...

For the first 5 months of ownership of my 2012 Volt, the OnStar app worked great and flawlessly on my iPhone. (My Volt continues to be "flawless" with no rattles, no surprises, no issues at all, and it is about to turn 7,000 miles having only used 4 gallons of gas and have I have never even...

General Motors has told its dealers to stop delivering 60,000 new cars on their sales lots, including many of its most popular models (such as Volt), until they fix a glitch involving the OnStar communications system. Dealers were being told tonight to go ahead and start fixing the cars using...