"Check the inner glass pane of the oven door. If it has soiling on it (eg stains from greasy splatter), you will need to clean it manually before starting a Self Clean cycle."

And, might I point out, in an extremely kind and soft manner. I feel like I am trying to wet-sand off carbon dots with a cotton rag.

Next new stove: no glass! just the special enamel! #SelfClean my tuckus.