The contact owns a 2016 Ford Escape. The contact stated while driving at an undisclosed speed, the engine overheated and several unknown warning lights illuminated. The vehicle was driven to the shoulder of the road to allow the engine to cool down. The contact opened the hood and checked the fluids. The contact stated that the coolant reservoir was low. The contact refilled the coolant reservoir. The vehicle was taken to an independent mechanic and was diagnosed with catastrophic coolant intrusion in cylinder #4. The contact was informed that the engine needed to be replaced. The vehicle was repaired. The manufacturer was made aware of the failure. The contact was advised to contact the NHTSA Hotline to report the failure. The failure mileage was approximately 97,000.