2022 LINCOLN CORSAIR Forward Collision Avoidance Problems

The contact owns a 2022 Lincoln Corsair. The contact stated while driving approximately 20 MPH, the vehicle ahead stopped suddenly, and the contact had to abruptly stop the vehicle. The contact stated that the vehicle was equipped with the Forward Collision Avoidance system; however, the system failed to activate as needed. The contact stated no warning light was illuminated. The contact stated that prior to the failure there was a message that the Collision sensor was blocked. The contact thought that the message was a glitch and manually cleared the message. The vehicle was taken to a local dealer to be diagnosed; however, the mechanic was unable to duplicate the failure. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was 4,360.