2007 Hyundai Santa Fe Corrison issue/recall

I brought car in for a recall and my engine cradle was rusted and was broken and pushing out the right side of my whole tire. My friend looked at the bottom of my care and told me that I cannot drive this car and my engine could just fall out from my car. Will Hyundai fix this part of my car at their expense? The recall said that they were going to just spray rust proof on the under body of the car. I thought that they have to fix the areas that was rusted out before they can spray at no cost to me?