Pole Position (1984)

Dan Darret and his two sisters, Tess and Daisy, are left to run the The Pole Position Stunt Show after their parents disappear during a stunt race. When their uncle Zachary reveals that their parents were government agents using the stunt show as a cover for a secret crime-fighting organization, the kids vow to carry on their parents' work. Along with pet Kuma and two high-tech talking cars, Roadie and Wheels, they become the New Pole Position Force.