I'm at just past 15000 miles (closing in on 25k km). MY '13.
I don't see anything obvious yet. But I'm due for a service soon. Let's see what the measurements come up with. The stock tires seem to be competent enough in dry and light wet. They suck in the coastal snow, though. I really don't relish the prospect of having to trust these tires when the snow hits this winter.