The contact owns a 2008 Hyundai Santa Fe. The contact stated while driving at an undisclosed speed with the cruise control activated, the contact stated that after depressing the brake pedal the cruise control briefly failed to disengage. The vehicle returned to normal functionality, but the failure became a regular occurrence. The Electronic Power Control (EPC) and power train warning lights were illuminated. The vehicle was taken to an independent mechanic, who diagnosed a failure with the stop lamp switch. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 13V113000 (Exterior Lighting); the VIN was included, but the vehicle had already been repaired. The manufacturer was notified of the failure but provided no assistance. The failure mileage was 195,000.