Ms. Knutson was getting headaches after riding in her Ford Explorer, and it was even worse for the children in the back seat. Her husband was a firefighter, and when he took the vehicle to the fire station, he tested dangerous levels of CO I’m the back. Ford refused to do a recall, but after Uustal brought the case to the start of trial—which is almost unheard of in class actions—Ford agreed to fix the problem for free for those owners that needed it.