High/low Beam Switch problems of the 2015 Cadillac SRX

The contact owns a 2015 Cadillac Srx. The contact stated while driving 65 mph, the headlights were significantly dim, and she was unable to see the road. There were no warning lights illuminated. The vehicle was taken to the independent mechanic and the light bulbs were replaced; however, the failure had been reoccurring while driving. The vehicle was taken back to the independent mechanic who diagnosed that the headlight assemblies needed to be replaced. The vehicle was then taken to the dealer who informed the contact she would be responsible for the cost of the repair since the VIN was not included in a recall. The contact received a recall notification for NHTSA campaign number: 21v473000 (suspension) however, the dealer informed the contact that the parts for the recall repair were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not notified of the failure. The approximate failure mileage was 74,000. VIN tool confirms parts not available.