The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated that while driving at an undisclosed speed, the vehicle lost motive power and the low battery warning light illuminated. In addition, the contact heard a rattling sound coming from the engine before the engine seized. The vehicle was towed to the dealer where it was diagnosed with a failed hybrid system and that the hybrid system needed to be replaced. The contact was also informed that the transmission was not the original transmission, and the cooler was damaged. The manufacturer was not made aware of the failure. The failure mileage was approximately 145,000.

- Anthony, NM, USA

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated while driving at various speeds, the message "Pull Over. Stop the Vehicle" was displayed, and the vehicle failed to respond upon depressing the accelerator pedal. The contact veered to the side of the road and turned off the vehicle. The contact stated that the vehicle became drivable after waiting 30 minutes to an hour. The contact stated that the failure had been recurring while driving. Additionally, the contact stated that while reversing and depressing the accelerator pedal, the vehicle jerked, made an abnormally loud sound, and failed to respond. The contact shifted into park(P) and shifted back into reverse(R), and the vehicle jerked and responded. The contact stated that while driving at various speeds and depressing the accelerator pedal, the vehicle jerked and hesitated to respond. There was no warning light illuminated. The contact stated that she had taken the vehicle to an independent mechanic, where a diagnostic test was performed. The contact was referred to the dealer for assistance. The dealer and the manufacturer were not notified of the failure. The vehicle was not repaired. The failure mileage was unknown.

- Birmingham, AL, USA

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated that while driving at an undisclosed speed and attempting to accelerate up a hill, the vehicle inadvertently lost motive power. Several attempts to restart and jumpstart the vehicle failed. The hybrid system warning light was illuminated on the instrument panel. The vehicle was towed to the residence and later towed to an independent mechanic, who determined that the engine had failed due to metal shavings in the engine oil. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 20V746000 (Engine) however, the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was 55,000.

- San Jose, CA, USA

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated while driving approximately 20 MPH, there were abnormal sounds coming from the vehicle. There was no warning light illuminated. The vehicle was towed to the dealer and diagnosed with a catalytic converter and engine failure. Additionally, the vehicle was consuming an excessive amount of engine oil. The check engine warning light was illuminated. The dealer replaced the engine; however, the failure reoccurred. The manufacturer was notified of the failure. The approximate failure mileage was 68,000.

- Fond Du Lac, WI, USA

The contact owns a 2012 Hyundai Sonata. The contact stated while driving at 70 MPH, the oil pressure warning light illuminated and the vehicle started losing motive power. The accelerator pedal was depressed but the vehicle failed to respond and jolted. The contact veered to the side of the road. The contact turned off and restarted the vehicle. The contact continued to drive at a slower speed however, the failure reoccurred several times while driving to her residence. The vehicle was taken to the dealer who informed the contact that the failure was associated to Manufacturer Recall Number: 198. However, the dealer informed the contact that they could not repair the vehicle under the recall. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure and a case was opened. The failure mileage was approximately 168,000.

- Sun City Center, FL, USA

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated that he had received notification of NHTSA Campaign Number: 15V568000 (Engine). The contact took the vehicle to a dealer where the recall was serviced. Soon after the recalled pair, the "Hybrid System Warning Light, Safely Stop and Do Not Drive, " warning message appeared on the instrument panel. The contact had the vehicle towed to a dealer where it remained in their possession. The manufacturer was notified of the failure but offered no assistance. The contact was given an estimate for the repair but was declined. The vehicle had yet to be repaired. The failure mileage was 155,000.

- Vinegar Bend, AL, USA

The contact's wife owns a 2012 Hyundai Sonata Hybrid. The contact stated while driving approximately 65 MPH, there was an abnormal banging sound coming from the engine compartment. The contact stated no warning light was illuminated. The vehicle lost motive power and decelerated to 30 MPH. The contact pulled over and had the vehicle towed to his residence. The Customer Service Department was contacted and the representative suggested that the vehicle be taken to an authorized dealer to be diagnosed. The contact was informed that the connecting rods failed and punctured the engine block and the engine needed to be replaced. The vehicle was not repaired. The manufacturer had not been informed of the failure. The dealer had been informed of NHTSA Campaign Number: 20V746000 (Engine) however, the dealer stated that the vehicle was past warranty period. The failure mileage was approximately 150,000. Consumer stated when the incident happened a little above mileage warranty.

- Fallbrook, CA, USA

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated while driving 45-50 MPH, the vehicle started making an abnormal beeping sound. The contact stated that the check engine warning light and several other unknown warning lights illuminated, and the vehicle began to stall. The contact stated that she pulled into a parking lot, parked, and turned off the vehicle. The next day the vehicle was towed to the dealer who diagnosed that the system hybrid module needed to be updated. The contact stated that the system hybrid module was updated; however, the failure reoccurred while driving. The warning message "Hybrid system Warning; Safely Stop and Do Not Drive", and the brake warning light and an unknown warning light illuminated. The contact also stated that the vehicle made an abnormal grinding sound. The dealer was notified of the failure. The manufacturer was not notified of the failure. The vehicle was not repaired. The approximate failure mileage was 99,612.

- Chandler, AZ, USA

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.

- Warner Robins, GA, USA

The contact owns a 2012 Hyundai Sonata Hybrid. The contact received a recall notification for NHTSA Campaign Number: 20V746000 (Engine) however, the contact was unable to schedule a recall repair appointment with the dealer as the dealer would not return his phone calls. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact stated that he had been hearing abnormal sounds coming from the engine while driving. There were no warning lights illuminated. The contact also stated the vehicle had been consuming a significant amount of gasoline. The vehicle was not diagnosed nor repaired by an independent mechanic or dealer. The dealer and manufacturer were not notified of the failure. The approximate failure mileage was 41,500. Parts distribution disconnect.

- St. Louis, MO, USA

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated while driving 50 mph, the vehicle loss power and decelerated to 25 mph. The check engine warning light was illuminated. The vehicle was taken to the local dealer, but the vehicle was not diagnosed or repaired. The manufacturer was notified and the contact was referred to the local dealer for assistance. The failure mileage was unknown.

- Frankfort, KY, USA

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated while driving 75 mph, the vehicle went into limp mode and failed to accelerate above 45 mph. The check engine warning light was illuminated. The contact called the local dealer. The vehicle was not diagnosed nor repaired. The manufacturer was not contacted. The contact stated that the failure was like NHTSA Campaign Number: 20V746000 (Engine). The failure mileage was 142,566.

- Greenville, NC, USA

The contact owns a 2012 Hyundai Sonata Hybrid. The contact stated while driving at various speeds, the vehicle slowly start to lose motive power. There was smoke coming from the engine compartment. The contact stated that the check engine warning light was illuminated. The contact then received notification of NHTSA campaign number: 20V746000 (Engine). The vehicle was then taken to the local dealer where it was diagnosed with the engine needing to be replaced. The dealer stated that they could not service the recall until the engine had failed. The vehicle was not repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 72,000.

- Thornton, CO, USA

The contact owns a 2012 Hyundai Sonata hybrid. The contact received notification of NHTSA campaign number: 20V746000 (engine) however, the part to do the recall repair was unavailable. The contact called roanoke auto sale (4125 melrose ave nw, roanoke, va 24017) where it was confirmed that the part was not available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

- Roanoke, VA, USA

The contact owns a 2012 Hyundai sonata. The contact received notification of NHTSA campaign number: 20V746000 (engine) however, the part to do the recall repair was not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. Preston Hyundai of boardman (7554 market St, boardman, oh 44512) and the manufacturer were made aware of the issue. The contact had not experienced a failure. VIN tool confirms parts not available.

- Struthers, OH, USA

The contact owns a 2012 Hyundai sonata. The contact stated that while driving approximately 10-30 mph, the vehicle made an abnormal banging sound with the check oil warning light flashing on and off while the vehicle decelerated. The contact informed ganley Hyundai of parma (7115 brookpark rd, parma, oh 44129) of the failure and of the recall notification of NHTSA campaign number: 20V746000 (engine) however, the part was not available for the recall repair. The vehicle was not diagnosed nor repaired. The manufacturer was not notified of the failure. The contact stated the manufacturer had exceeded a reasonable amount of time for the recall repair. The failure mileage was 68,385. VIN tool confirms parts not available.

- Parma, OH, USA

The contact owns a 2012 Hyundai Sonata hybrid. The contact stated that while her son was driving the vehicle at approximately 60-65 mph, various warning lights illuminated. The vehicle failed to accelerate, when the accelerator pedal was depressed however, he was able to drive the vehicle to an independent mechanic, who informed him that the oil cap was missing, and there was no oil in engine. The independent mechanic replaced the cap, added oil to the vehicle, and advised her son to take the vehicle to a Hyundai dealer. The vehicle was taken to keyes Hyundai (5746 van nuys blvd, los angeles, ca 91401) where the failure was diagnosed as an engine failure. The contact stated that the dealer informed her that they needed to see her oil change service receipts. The vehicle was included in NHTSA campaign number: 20V746000 (engine). The contact stated that she attempted to contact the Hyundai manufacturer but was unable to speak to a representative. The failure mileage was 104,000.

- Plano, TX, USA

The contact owns a 2012 Hyundai Sonata hybrid. The contact stated that while driving at various speeds, the vehicle stalled without warning. The contact then received notification of NHTSA campaign number: 20V750000 (engine) however, the part to do the recall repair was not yet available. The contact then took the vehicle to rick case Hyundai (3180 satellite blvd, duluth, ga 30096) where she was informed that the defect was related to a defective head gasket which the dealer insisted was not related to the recall. The dealer also informed her that the engine block had been replaced prior to her owning the vehicle. Upon investigation, the contact discovered that the issues detailed in the recall could lead to a potential blown head gasket, which she linked to the vehicle failure. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The vehicle was not repaired, and remained in the possession of the dealer. The failure mileage was approximately 112,000. VIN tool confirms parts not available.

- Buford, GA, USA

The contact owns a 2012 Hyundai Sonata hybrid. The contact stated that upon start of the vehicle as well as upon acceleration, he had heard an abnormal fluttering noise emit from the engine, without warning. The contact then took the vehicle to St. Charles Hyundai (5701 veterans memorial pkwy, St peters, mo 63376) where the contact was informed that the vehicle was dangerous to drive and that the engine could possibly lock up while driving. The dealer gave the contact a loaner vehicle while they attempted to determine the cause of the failure. The contact was then informed that the vehicle was diagnosed with engine failure. Upon investigation, the contact discovered NHTSA campaign number: 20V746000 (engine) however, the part to do the recall repair was unavailable. The manufacturer was made aware of the failure. The failure mileage was approximately 129,000. VIN tool confirms parts not available.

- Troy, MO, USA

The contact owns a 2012 Hyundai Sonata hybrid. The contact stated that while driving, an unknown warning light illuminated indicating to stop the vehicle do not drive. The vehicle was taken to clay cooley Hyundai of mesquite (16230 lyndon B johnson fwy, mesquite, tx 75150) and was diagnosed that the fuel pump that go to the transmission failed and was replaced. The contact stated that the vehicle was picked up at the dealer and while leaving the dealer, the vehicle stalled. No warning light was illuminated. Additionally, while depressing the accelerator pedal, the vehicle hesitated and stalled. The vehicle was taken back to the same dealer and the contact was informed that the transmission needed to be replaced. The vehicle was not yet repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 117,000.

- Dallas, TX, USA