Some phones and computers also allow users to add their own words to the dictionary that autocorrect will use to avoid suggestions that are completely unrelated to what was intended.
Here there isn't an article before autocorrect -- why? Also, is the notion of formality relevant here? Like this usage is informal and for an informal phrase we would write the autocorrect because there's usually one. Or the autocorrect feature
I noticed that when speaking of MS word, we write AutoCorrect which seems to work as a proper noun and has no article. E.g. "How do I turn on AutoCorrect in Word.