TL* THE CONTACT OWNED A 2017 TOYOTA RAV4 HYBRID. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH, THE CHECK ENGINE LIGHT SUDDENLY ILLUMINATED, WARNING MESSAGES BEGAN TO DISPLAY ON THE DASH SCREEN; BEFORE WHITE SMOKE WAS PRESENT COMING FROM UNDER THE HOOD OF THE VEHICLE. MOMENTS LATER FLAMES WERE COMING FROM THE ENGINE COMPARTMENT. THE FIRE DEPARTMENT WAS CALLED TO THE SCENE AND EXTINGUISHED THE FLAMES. DURING THE INCIDENT, THE VEHICLE WAS DESTROYED AND TOWED AWAY. THE CAUSE OF THE FAILURE WAS NOT DETERMINED. THE MANUFACTURER AND LOCAL DEALER LARRY MILLER TOYOTA (2465 48TH CT. BOULDER, CO 80301) WERE NOTIFIED OF THE INCIDENT. THE FAILURE MILEAGE WAS 66,500.