The contact owns a 2010 Cadillac SRX. The contact stated while driving approximately 40 MPH, there was smoke coming from the hood of the vehicle, and the vehicle became difficult to maneuver. The contact exited the vehicle and discovered that the engine compartment was on fire. No warning lights were illuminated prior to the fire. The vehicle was occupied during the fire; however, no injuries were sustained, and medical attention was not necessary. The contact stated that a Police and Fire Department report was filed. The vehicle was towed back to the residence. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 211,000.