Thanks guys, for a minute there I was starting to feel like "the Colonies" weren't welcome on this forum...
Nik, funny you should mention "the self-repairing Cobra" from The Gumball Rally. The back story to that is the Cobra's front end was damaged by the tow truck in the final scene of the movie. As we all know, they often shoot movie scenes out of sequence and then piece them together afterwards with an eye out for continuity. Obviously they overlooked this one, as the Cobra briefly appears with a damaged front end during the L.A. highway scene, several minutes before they reach the finish line.