Have an '08 pkg 2-- it goes back to 0 miles after it reaches 400 miles--is there any way to set it to cover a longer trip, or not start over again at all? Thanks
06-09 (iirc) resets the MFD on fill-up. Are you regularly filling up at 400 miles, or is it resetting without any prompt at 400 without a fill? If it's the fill-up reset, there is no way to change it. You'll have to use one of the trip odometers on the dash, which can go to 10k miles.
The MFD does not reset at 400 miles. I have 15 tanks over 400 miles this year. I reset the MFD every fueling.