Came across this clip of Paul Castle demonstrating CAR. http://www.sabretactical.com/CAR/Failure_Drill.mpg
No matter what you think of his CAR technique, that's an impressive IAD! Notice too, as part of the Immediate Action he begins putting more distance between himself and his target.
In this clip: http://www.sabretactical.com/CAR/Reaction.mpg
he is closer to contact range and, having failed to clear the malfunction, he doesn't hesitate to use the now useless pistol as a contact weapon.