The contact owns a 2021 Chevrolet Trax. The contact stated that while driving approximately 45 mph, the AC unit was distributing hot air. The contact detected white smoke emerging from the engine compartment and the vehicle caught fire. The contact was able to pull over and exit the vehicle without injury. There were no warning indicator lights illuminated. The fire department extinguished the fire. A police report was filed. There was the deployment of air bags. The vehicle was towed to a tow yard. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not contacted. The failure mileage was approximately 7,800.