automatic pilot is a noun meaning "a cognitive state in which you act without self-awareness". It carries 2 recorded senses.
a cognitive state in which you act without self-awareness
“she went about her chores on automatic pilot”
“too much of the writing seems to have been done on automatic pilot”
“she talked and he dozed and my mind went on autopilot”
a navigational device that automatically keeps ships or planes or spacecraft on a steady course
Definitions, synonyms and semantic relations for automatic pilot come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.