A few weeks ago I was driving on the Interstate and noticed while driving in a straight line with constant speed my traction control light would randomly come on. As I didn't feel anything from it and it stopped I chopped it up to a hiccup in the system. Then yesterday I was on the highway again...
Looks like GM has a massive class action on their hands covering multiple years over multiple engines, makes and models.
Copy the link below and add your vin# to the end and paste into your browser to access your sticker. If the car hasn't gone into production and just confirmed you may not have a sticker yet.