The contact owns a 2019 Lincoln Continental. The contact stated that upon attempting to close the front driveras side door, the door latch failed to lock the door properly. There was no warning light illuminated. The vehicle was taken to a local dealer where it was diagnosed, and the contact was advised that the door latch was faulty and needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 79,000.