Quote:
Originally Posted by Packofcrows
DC the battery for like 2min. Then turn car on, idle for like 5min, then go drive for like 20-40 hwy miles at 60mph and youll see that itll be almost 40 (36+) mpg.
Then drive it like that for a few weeks, then drive it however you want. It'll eventually get lower with your avg though.
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You don't have to disconnect the battery to reset the avg mpg calculation/display.
With Avg MPG displayed, just hold the Display button down for a few seconds. The display will zero and start over, calculating and displaying MPG from the new point.
I reset mine at each fill up.