The contact owns a 2017 Subaru Forester. The contact stated that upon entering the vehicle after the vehicle had been parked in the parking garage for six days, the contact became aware that the front windshield had developed a 12-inch crack across the middle bottom. The contact stated that there were no objects that could have caused that crack near or around the vehicle. The vehicle was taken to an independent mechanic, who informed the contact that the failure with the front windshield was common for the year, make, and model, but had not provided a specific cause for the failure. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was 87,000.