The contact owns a 2017 Acura MDX. The contact stated that while driving at an undisclosed speed, the vehicle made an abnormal knocking sound. The contact stated that while driving from a complete stop onto the highway the following day, several unknown warning lights were illuminated, and a message advising to park the vehicle was displayed. The contact stated that while attempting to make a turn to drive back to the residence, the vehicle stalled in the middle of the road. The contact and her children, who were occupying the vehicle, were significantly frightened. The contact was able to restart the vehicle after several attempts; however, the vehicle made an abnormally loud grinding sound. The contact was able to drive back to the residence. The vehicle was towed to the dealer, where it was diagnosed that the engine was damaged due to rod bearing failure. The dealer determined that the engine needed to be replaced. The vehicle was not repaired. The contact related the failure to NHTSA Campaign Number: 23V751000 (Engine and Engine Cooling); however, the VIN was not included. The manufacturer was notified of the failure and informed the contact that the vehicle was not covered under warranty or recall. The manufacturer referred the contact to the NHTSA Hotline for assistance in adding the VIN to the recall. The failure mileage was approximately 129,000.