Vehicle failed pennsylvania inspection due to sidewall cracking on all four oem michelin latitude tour p235/55r18 tires (front tires have 6/32" tread depth remaining, rear tires have 7/32" tread depth remaining). vehicle deemed unsafe to drive until all tires are replaced due to risk of blowout. michelin campaign #13t006000 does not cover this particular tire, even though sidewall defect is the same as that affecting those tires that are included in recall. owner was offered a 60% discount on replacement tires from an authorized michelin retailer, which manufacturer's executive response manager called "fair." michelin needs to acknowledge the defect by recalling and replacing these tires before an expectant mother like myself is killed driving on them. either michelin stands by its workmanship and materials warranty or they do not. *js