I changed my oil and filter a few months ago and I ran into this situation (diesel).So Adam, I posted elsewhere but you are saying that the owners manual is either incorrect or doesn't take into account the filter change and you should really add about 8qts of oil with a filter change instead of the manuals 6.8? I added 6.8 and am getting the Refill 1.0I message which jives with what you are saying.
I was annoyed as I was not on a ‘level’ area (1-2 degrees off horizontal) and the system wouldn’t let me check and calibrate after the oil change. I changed the oil and filter just as the sun was setting and thought to check later (I’d put in the required oil volume as stated by the manual, what’s the big deal I thought). Well later I checked (a few days) and it stated an extra 1.0lt required thanks…wtf. It then went to alert me every 10 minutes after that. Seriously…just give me a dip stick.