Blind Spot Detection problems of the 2017 Hyundai Sonata

While driving on the highway, the car loss. The dashboard noted the blindspot detention system failed and the dash noted "hybrid system warning. Turn off engine. " the vehicle was towed to the dealership. They confirmed a knock system sensor had to be replaced. Less than a month after the repair, the same issue occurred on the highway again and the vehicle was towed to the dealership. Vehicle has been at the dealership for over 2 weeks and dealership has confirmed they haven't been able to accurately diagnosis the problem yet. Both incidents have occurred after the dealership addressed the recall campaign related to the engine.