The contact's mother owns a 2020 Hyundai Elantra. The contact was informed that the vehicle occasionally stalled without warning and would be immediately restarted to continue driving. Additionally, the vehicle would hesitate before slowly accelerating. The contact stated that there was a knocking sound coming from the vehicle at start-up, with a constant ticking sound coming from the engine compartment. The check engine warning light was illuminated. There were signs of an oil leak, and the oil needed to be changed more frequently. While changing the oil, the owner noticed smoke coming from inside the oil pan. The traction control warning light and the ABS warning lights were illuminated. The vehicle was taken to the dealer, who diagnosed that the ABS module and piston rings in the engine had failed. The vehicle was not repaired. The contact became aware of NHTSA Campaign Number: 21V301000 (Engine); however, the VIN was not included. The manufacturer was informed of the failure and confirmed that the vehicle was not covered under recall or warranty. The contact was referred to the dealer for assistance. The failure mileage was 101,000.

- Moore, OK, USA