I barely ever press the button to change menus.. I just notice when I start up my vehicle, sometimes my avg mpg is reset. I've only driven this car like 30k miles, but I noticed this wayyyy sooner than that. It usually happens when I don't operate my vehicle for at least 8 hours. rarely it's sooner than that. When I don't operate it for a few days, or even a week or 2, it's completely fine..
In case the question wasn't fully read, I just wanna know why my avg mpg resets on its own sometimes.
You better not tell me it's because of the oil change wrench that's mm's away from it... I tried following all of the guides on here and on youtube, even making the steps like 10x longer, but couldn't remove it It literally popped like 60 miles after I got my last oil change, and those miles to maintenance screens all went to 000000's.