You can either blame Ford, or blame GM, depending which car manufacturer you dislike more, but the car makers are behind the reason that the voice of K.I.T.T. in the new Knight Rider telefilm/pilot is being replaced. Will Arnett had already completed his voice work for the role, but he has also been the voice of GMC Truck commercials for years. Well, when GM found out that Ford was not only providing the car (a Mustang) for the show, but also is taking part of the marketing, GM asked him to pull out. K.I.T.T. will instead be voiced by Val Kilmer (Batman Forever, Deja Vu).