Tesla has made a couple of things public which were safety critical updates, such as this one: http://mashable.com/2017/06/09/tesla-ota-airbag-fix/ http://mash

Tesla has made a couple of things public which were safety critical updates, such as this one: http://mashable.com/2017/06/09/tesla-ota-airbag-fix/ http://mashable.com/2017/06/09/tesla-ota-airbag-fix/ which also refers to an earlier incident where they made charging at home more tentative to avoid faulty plugs causing fires.