From https://www.mentalfloss.com/article/5022..._aid=45731
When it came time to give a name to K.I.T.T.’s evil doppelganger, a completely different name was created in K.A.R.R. This stands for Knight Automated Roving Robot, and it was voiced by Peter Cullen, who was the man behind another talking vehicle: Optimus Prime from The Transformers cartoons and movies.
Whistles innocently while wandering off....
When it came time to give a name to K.I.T.T.’s evil doppelganger, a completely different name was created in K.A.R.R. This stands for Knight Automated Roving Robot, and it was voiced by Peter Cullen, who was the man behind another talking vehicle: Optimus Prime from The Transformers cartoons and movies.
Whistles innocently while wandering off....