The contact owns a 2015 Cadillac SRX. The contact stated that while driving at night, the headlights were extremely dim, limiting the visibility of the roadway. The contact was concerned that the failure might cause a crash. There was no warning light illuminated. The vehicle was taken to a local dealer,r where the vehicle was diagnosed, and the contact was informed that the headlight assembly needed to be replaced. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 54,000.