Originally Posted by lewisra
What makes you think that?
Because with the update, my tripometer was reset. When I drove out of the dealership, the MPG appeared to default at 32 coming out of the initial "- - -" condition and then quickly headed down to 20 MPG as I cruised at 25 MPH through my town. I've been watching this on my car since buying it 3 months ago, and typically do after I've filled up the tank, because every mfg approaches their MPG calculations differently and I'm curious to see how it works.