The Cruze manual indicates an "average fuel economy" and an "Instant fuel economy" but I can only find the "average fuel economy" which can be reset. Somewhere I read that only the Eco Model Cruze with the 1.8 engine has the "Instant..." I was also told that it had something to do with the "Trip 1" and Trip 2" readout. Can anyone shed some light on this for me. Thanks 