K.A.R.R (Knight Automated Rolving Robot).
KARR (Knight Automated Roving Robot) is the name of a fictional, automated, prototype vehicle featured as a major antagonist in two episodes of the television series Knight Rider and was part of a multi-episode story arc in the 2008 revived series.
Knight Auto-cybernetic Roving Robotic-exoskeleton (KARR 2.0).