First thing I would do is check the battery coolant level. Like others have said, changing tires has nothing to do with it unless damage to the battery cooling system was accidently done.
That said a number of other 2012's have popped up this message in the past week or two, mine included. Mine was a pint or less low, but I was unable to get my Volt in until next week to have it inspected and the error code cleared.
That said a number of other 2012's have popped up this message in the past week or two, mine included. Mine was a pint or less low, but I was unable to get my Volt in until next week to have it inspected and the error code cleared.