Tire Bubble problems of the 2012 Hyundai Sonata

The contact owns a 2012 Hyundai Sonata equipped with hankook p225/45/vr18 tires. The contact stated that the vehicle was parked when he noticed a bubble on the sidewall of the front driver's tire. The vehicle was taken to an authorized dealer and the tire was re updated 08/28/lj two months later, the contact's son was driving 65 mph when the front passenger tire blew out due to a bubble on the sidewall. The vehicle was taken back to the dealer and the tire was again replaced. The vehicle manufacturer was notified and the contact was informed that they stopped working with that tire manufacturer due to excessive tire complaints. No further assistance was provided. The failure mileage was 18,000. Updated 08/15/12 the consumer stated only the front tire was replaced. The dealer, Hyundai motor and hankook all refused to replace the second tire. Updated 08/29/12.