Headlight Issue on 2009 Saturn Vue

I have always been a proponent of driving with headlights on, day or night. So, the headlights are on auto. Recently, several times upon starting my car, the brights came on. Most of the time, by moving the dial, I could get the regular lights on. But on one occasion, it was brights or nothing. (I have never driven the car with the brights on. I set the dial to auto the day I got the car).

Been to the dealer, who could not (of course!) repeat the problem. I also did some searching on line, but did not find anything about this issue or this car-

Any ideas? Software, electrical, or??? I have had the battery replaced once, right before Christmas (I got the car new in August of 2009).