HAL: I am sorry Dave, this airplane is going to crash.
There should be a BIG button that says Override that the pilots can hit.
Long ago there was a joke that in the future planes would fly themselves and the only thing in the cockpit would be a single pilot and a dog. The pilot’s job was to make the passengers comfortable that someone was up front. The dog’s job was to bite the pilot if he tried to touch anything.
~from the Gregory Travis article linked above