The contact owns a 2023 GMC Yukon. The contact received notice of NHTSA ID Number: 25V274000 (Engine and Engine Cooling). The contact stated that while driving on several occasions at various speeds, he and his wife observed noises emanating from the engine compartment. On another occasion while driving and coming to a stop, the vehicle stalled, and a "transmission unable to shift" message appeared. The gear selector was placed in park (P), and the vehicle was restarted, after which it drove normally. The vehicle was taken to a dealer, but it was not diagnosed due the manufacturer only allowing certain vehicle to be repaired at this time, even with the failures that had transpired, and no repairs were made at that time. The contact stated that while driving home in pitch darkness at approximately 30 MPH on a windy road, the vehicle stalled. While attempting to steer the vehicle off the road, it remained halfway in the street and nearly caused over 15 accidents. One near-accident involved a motorcyclist who came around a turn, narrowly missed the vehicle, fell into the street, and was almost hit by oncoming traffic. No police reports were filed as the police could not assist at that time. The contact and her daughter did not sustain injuries but were severely traumatized. It was uncertain if the motorcyclist sustained injuries. The contact stated that when the vehicle was being towed, it would not go into neutral, and the contact observed the frame cracking while being hauled