After Radiator Springs gets put back on the map, Sarge opens up his boot camp where he trains four SUVs named Charlie Cargo, Murphy, Frank "Pinky" Pinkerton, and T.J.. They were trained in the science of off-road navigation. T.J. whines that he's never been off-road before and is afraid of getting his shiny wheels dirty, but Sarge forces him to go by pushing him.