See attached document for complaint.

- North Aurora, IL, USA

The contact owns a 2017 Hyundai Tucson. The contact stated that while at a complete stop, the vehicle hesitated and sputtered upon the depression of the accelerator pedal. Upon inspection of the engine compartment, the contact discovered that the oil level was low. The vehicle was taken to a dealer where the contact was initially informed that the failure was normal with similar vehicles. The contact stated that the failure persisted, and the vehicle failed to start with the oil warning light illuminated. The contact checked the oil level, and the oil was full. The vehicle eventually started with the check engine and air bag warning lights illuminated. The vehicle was taken back to the dealer where the vehicle was diagnosed with engine failure. The manufacturer was notified of the failure. The vehicle was not repaired. The failure mileage was approximately 120,000.

- Cincinnati, OH, USA

The contact owns a 2017 Hyundai Tucson. The contact stated while driving at an undisclosed speed, there was a loud knocking sound coming from the engine, and the contact was unable to keep driving the vehicle. The contact was able to pull the vehicle to the side of the road. The vehicle was towed to the residence and then to a local dealer where the failure was related to an engine malfunction and oil leaking. The contact was advised that the engine needed to be replaced. The contact stated that the transmission was previously replaced twice. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 112,000.

- Sandston, VA, USA

The contact owns a 2017 Hyundai Tucson. The contact stated that heavy, black smoke would emit from the tailpipe upon the start of the vehicle without warning. Upon inspection of the vehicle, the contact discovered that the oil level was low. The vehicle was taken to a dealer where a diagnostic test was performed, and the diagnostic test showed that the vehicle was consuming excessive amounts of engine oil. The contact was informed to bring the vehicle back to the dealer every 1,000 miles to track the oil consumption. The oil gasket, oil filter, and oil pan were replaced; however, the failure persisted. The manufacturer was notified of the failure and referred the contact back to the dealer. The vehicle was not repaired. The failure mileage was approximately 70,000

- Fort Lauderdale, FL, USA

The contact owns a 2017 Hyundai Tucson. The contact stated the vehicle was taken to an independent mechanic for a scheduled oil change, and the contact was informed that the oil level was extremely low. The oil light was illuminated. The contact took the vehicle to the dealer for an oil consumption test. The vehicle was checked after 1,000 miles and failed the consumption test. The vehicle was not repaired, and the failure persisted. The manufacturer was notified of the failure but offered no assistance. The failure mileage was approximately 95,000.

- Ypsilanti, MI, USA

Not to long after I purchased the car I have to put oil in the car every 4 to 5 weeks.Sometimes the motor sounds like it-??s going to blow.The car slows down and sounds loud.Never once has a oil light turned on.When I checked the oil it doesn-??t appear on the stick.

- Pomona, CA, USA

The contact owns a 2017 Hyundai Tucson. The contact stated that while driving at an unknown speed, an abnormal knocking sound started with the check engine warning light was illuminated. The vehicle was taken to an independent mechanic and the contact was informed that the oil level was extremely low. The vehicle was taken to the dealer to service recall NHTSA Campaign Number: 21V727000 (Engine); however, the recall was not related to the failure. The manufacturer was notified of the failure. The vehicle was repaired. The failure mileage was approximately 63,000. The consumer stated that the vehicle was not repaired. The issue still persists, and the oil light never comes on. An oil consumption test from the mechanic was requested and the vehicle is to be checked after 1000 miles. Unfortunately, the oil only lasts approximately 400-600 miles before the engine starts knocking.

- Worcester, MA, USA

The contact owns a 2017 Hyundai Tucson. The contact stated that while operating the vehicle there was a knocking sound coming from the engine compartment. While inspecting the vehicle it was discovered that the engine oil was extremely low, even though the oil had been recently changed. The vehicle was taken to the local dealer who initiated an oil consumption test. No further information was available. The manufacturer was notified of the failure. The failure mileage was 75,000.

- Alexandria, VA, USA