hey all you CT lovers, I am not sure if I am the only person that have done this on the CT so far. here is my story.... most of the time I reset my MPG meter after each time I fill up. and I usually get about 46 to 48 Avg MPG, with about 8 to 9 gallon of usage. but lately, I have been...

Hello, May I know how is the mileage calculated by the computer? Per trip, per gasoline fill, or average since day one?