One problem related to tire blowout has been reported for the 2015 Lexus RX350. The most recently reported issues are listed below.
There was no discernible event that caused the tire on the Lexus Rx350 with less than 4000 miles to blow. We turned off rt 113 into a lowes shopping center after waiting about 2 minutes for a light. On making the left hand turn the tire blew. I pulled into the parking lot and called Lexus road service. They don't warrant tires on a new car so we took it to sears/kmart, an authorized michelin dealer. They offered a 50% rebate claiming-to the michelin operator- that it was a "pot-hole" damage and not a manufacturer's defect. They said with the newer cars we could have hit a pot-hole and not even known it!.