tire damage

Somehow my wife's 2016 GT CX-5 with 5500 miles on it got a big chunk taken out of the sidewall. It's deep enough I can see the belt a little. Any chance that would be covered by warranty? Can that be patched?

Got a nail close to the side of the tire (see below). Do I really need to replace it? Cuz Walmart auto center says it cannot be patched. My CX-5 only got 16000 miles on it. :( Do I need to replace all 4 tires since it's touring AWD? What tires would you recommend if replacement is...

Hey all, Came back from lunch and noticed a bump in my sidewall. Already google'd what it was and planned on some new rubber soon anyway. Need to drive from Philly to Harrisburg and back this weekend on the PA turnpike though. So I was curious if anybody had experience with this and if this...