NHTSA Complaint #11431585 — 2012 HYUNDAI SONATA HYBRID

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated while driving at various speeds, there was an intermittent knocking sound coming from the engine. There was no warning light illuminated. A few months later, the engine began to overheat while driving at various speeds and a message stating "Do Not Drive, Please Pull Over" appeared on the instrument panel. The contact had the vehicle towed to a dealer where she was informed that she needed an engine replacement. The contact then had the vehicle towed an independent mechanic for a second opinion and he discovered that the engine was cracked, and that water had leaked into cylinder #2. The mechanic then informed her t that the vehicle had been placed under NHTSA Campaign Number: 20V746000 (Engine) and referred her to another dealer. The contact had the vehicle towed to Five Star Hyundai of Macon (3010 Riverside Dr, Macon, GA 31210) where they attempted to perform the recall but was unsuccessful since coolant had leaked into all the cylinders. The manufacturer was notified of the failure and she was provided a case number. The vehicle was not repaired and remained in the possession of the dealer. The failure mileage was approximately 106,000.