Auto Reset resets both mpg and trip distance
But only on A - B is left alone for both. My B will remain un-reset to show my overall mpg since getting it
I
pretty sure it's triggered by opening the fuel cap - NOT by adding fuel.
So if you accidently pull the wrong lever when opening the bonnet...
Manually reseting A at any point also resets both mpg and trip
HTH!
PS - can't remember how to switch auto-reset on though!
