MY2013 about a year ago. No big deal, took it in, they topped it off and reset the codes. Even gave me a rental car the half day it took. Smooth transaction, no charge. My dealer can be a real sweetheart. :)
Haven't gotten any alerts nor have I had this looked at. I'll need to pop the hood on my '13 and check. Dealer received it in Oct '12, but I purchased in July '13. Thankfully haven't had any problems. If the level looks low, I'll take it in for the tire rotation and have them top it off.
I figure in a few weeks, I'll set up an appointment to rotate the tires and ask them to top off the coolant.