How often should an owner calibrate their camera ? I noticed this weekend during Autopilot the car no longer "pilots" in the center and hugs more towards the right section inside my lane.
You cant re calibrate it yourself, at least not to my knowledge. Most of the time (not all, but most) when someone complains of the car tracking on one side or the other of the lane, its because THEY drive on one side or the other, and when the car drives in the middle, it looks "wrong" to them.
With that being said, since you state "I noticed this weekend during autopilot..." I am making the assumption that you have used autopilot many times previously, and it is NOW behaving different than it used to, on the same roads where it used to do something different. If that is correct, you likely need to make a service appointment. If thats not correct (you used it several times on the same road previously, and it USED to behave different on the exact same stretch of road than it behaves now), then its likely just your perception.