DT*: THE CONTACT STATED WHILE DRIVING 40 MPH THE SMELL OF SMOKE WAS PRESENT BUT NO OTHER INDICATORS. THE VEHICLE WAS MOVED OFF THE ROAD WHERE A FIRE WAS NOTICED COMING FROM UNDER THE HOOD. THE FIRE WAS IMMEDIATELY EXTINGUISHED. THE FIRE DEPARTMENT RESPONDED AND FILED A REPORT. THE VEHICLE WAS TOWED TO THE DEALER WHERE IT WAS DETERMINED THE CRUISE CONTROL SWITCH CAUSED THE FIRE AND NEEDED TO BE REPLACED.