average mpg

My Genny seems to have a "feature" that resets my average MPH for every fillup. I've never had a car do that. Is this normal or should I see my dealer? The driver seat is heated and cooled. Is the cooling simply cooled cabin air circulated through the seats or are there A/C ducts below the...

I have noticed two things about Average MPG mode data displayed by the trip computer. The first one may be by design, but the second definitely looks like a bug (hopefully it does not indicate anything more serious). 1) The collected data used to compute the average MPG is discarded after...