The contact owns a 2008 Lincoln MKZ. The contact stated that while driving at an undisclosed speed, the vehicle overheated, and smoke was coming inside the cabin through the A/C vents. The contact was able to veer to the side of the road to inspect the vehicle and noticed that coolant was leaking onto the ground. The vehicle was towed to the dealer where the thermostat was replaced; however, the failure reoccurred on four other occasions. The vehicle was taken to the dealer who refilled the coolant in the vehicle. The vehicle was not diagnosed or repaired. Additionally, the contact stated that on 5 separate occasions while driving, the brake pedal was depressed but the vehicle hesitated to respond, causing his vehicle to rear-end his wife-??s vehicle. There were no injuries sustained. Additionally, the contact stated that the vehicle would shudder while depressing the brake pedal. The contact associated the failure with NHTSA Campaign Number: 19V904000 (Service Brakes, Hydraulic). The contact also stated that the air bag warning light was illuminated. The contact associated the failure with NHTSA Campaign Numbers: 21V158000 (Air Bags), 17V024000 (Air Bags) and 16V384000 (Air Bags). The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 122,416 (Air Bags) and 16V384000 (Air Bags). The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 122,416

- Lancaster, SC, USA