Well no road hazard coverage on the tires that came with the car. I had to replace one when I had 4k on the car due to a pothole. I have the Continentals that I use in the winter. Haven't had to use the sealant kit. If you don't pull out the nail they do not leak. Just go to the tire shop and get it fixed. I only have one good rear. I may replace the bad one but I am not sure yet. Got all the nails on the highway. I think. May just keep the all weathers on year round.