Unknown. Fire was located under in the engine compartment area and fire was visible from below the engine under the car. When it happened I was driving on the freeway when noticed my car seemed to be struggling stay at the current speend and to loose speed then a it suddenly l no longer would accerlatoed so I pulled over to call 911 a passing vehicle stopped and informed me there was flames under my car. I safetly exited and called for emergency services. The Safety risk of major bodily harm by fire to myself or risk of harm to the environment around me a risk. The check engine light had come on before the fire. Reached out to manufacturer for a fire investigation and was instructed to take car to dealership to for service department to inspect. Was told a ETA of 2 weeks before they will check out my car.