From the article:
Thank goodness no one was seriously injured, but it could have been a lot worse. According to the ABC News affiliate in Toledo, Ohio, when the man was exiting the highway he suddenly began to suffer from a seizure. He started to lose control of his vehicle but fortunately his wife, who was in the front passenger seat, acted fast and managed to steer the vehicle from there and regain some control.
Photos and video - Man with Seizure crashes into two Corvette C7 Z06’s