Shiny Wax crew chief
Senior Trax is a character in Cars, and the chief of the Shiny Wax racing team in the Piston Cup Racing Series. He serves as the coach for Darren Leadfoot, Nebekenezer Schmidt, and the rest of the team.
He is a Haulital Lugnutter that is painted light green, with the Shiny Wax logo on his hood and doors. He can be found wearing a black headset whenever he is on duty.
In Cars, Trax appears in the pit row at the Motor Speedway of the South, coaching Darren and his team.