I have never really cared much for the self-cleaning feature on my oven. In my opinion, it doesn't clean very well, just burns everything to a crisp and cements it to the oven, which makes it harder to clean. My mother-in-law thinks it's the best thing since sliced bread and can't fathom why I don't like it. She and I go round and round and round.... of course, we usually have several glasses of wine under our belts and have already been playing Rummikub for hours, swapping lies and insults....
I use the fume-free spray on oven cleaner.