“Why can't I get 3 spilled spots off my over? I have 3 little spills from ham juice. Is the blue interior harder to clean? I have tried oven cleaner and hot water both to no avail. I have not used the self cleaning as it seems ridiculous to have to use 3 hr cleaning process and I have not received the cover for oven light so don't want to use it before I get the cover. I have extended warranty.”