The Friendliest Truck Around If you ever visit Radiator Springs, be sure to pay Mater a call! Because he's such a good friend to his Radiator Springs pals, they're always there for him when he needs them, even during a European adventure or two! He'll be happy to give you a demonstration of how he drives backward! The incredibly detailed graphics include busted front headlights, windshield with friendly eyes, a missing hood, and big smile showing buck teeth." Mater's beloved rearview mirrors stick out the sides of the "cab.