The contact owns a 2008 Cadillac CTS. The contact stated that water leaks into the vehicle from the sunroof causing mold to develop inside the vehicle which caused a respiratory illness to the owner. Also while driving approximately 20 mph the front headlights suddenly shut off causing a visibility problem to the driver who lost control of the vehicle to crashed into a curb. During the crash the driver sustained a neck injury. No medical attention was required. No police report was filed. The cause of the failure was not determined. The manufacturer and local dealer was not notified of the failures. The failure mileage was 123,000.