It basically looks like the fuel sensor does a bad job of "guestimating" how we drive. My last fuel L.E.D. dot (going from left to right) hasn't turned on for at least the last 6 months and then all of a sudden, it turns on tonight after refueling. I've got almost 30K on the odometer. Usually when I fill up, it says that I have about 385 miles of driving left, but for some reason when I filled up tonight, it told me that I have 426 miles left...probably because I haven't been racing anyone recently