I have a 2009 which wanders on the freeway. The alignment, front and back, are right on. There seems to be a little “stickyness” in the wheel when turning gently from straight ahead. Any one else having this problem?
The only time I’ve had wandering is when there was a toe out condition. Since you say that all the settings are correct …that’s out. I have a hard time seeing a 2009 having some fatigue factor.