I have a 450h and buried in a Nav Screen display is a page that displays past fuel economy called "Past Record". The video on the CD that came with the vehicle shows how it is supposed to work but mine never changes. The date in the bottom right corner shows "--/--/--" and the bar graph for "today" is always fixed at 22 MPG. There are no other dates displayed, no other bars for other days and the "Best" MPG just shows "---". My calendar is correct so the computer knows the date but it never displays it on the "Past Record" page.
When I picked up the vehicle at purchase I used the clear button on this page to start off with a clean record. The page looked the same and there were only 18 miles on vehicle but I cleared it anyways. To date, 45 days later, the display for this page does not change, even on days when I do better than 22 MPG the bar graph never moves from 22 MPG. I inquired at the dealer today and we looked at another 2010 that had 2500 miles. The displayed was identical. No data, "today" bar graph fixed at 22 MPH and date showing "--/--/--".
MPG pages in the instrument cluster display work normally.
The dealer was a little perplexed. They said it works in the 600h and stated they needed to check with "California" to see if there is a process to kick start data collection of MPG.
Any ideas? TIA