*Median odometer reading when the problem happened, where owners gave one. One complaint can name several problem areas.
Engine
I was sold this car in July of 2025, and I was sold an extended warranty. I didnât know about the recall, the recall caused engine failure so the warranty company refuses to pay for the new engine and Hyundai refuses to pay for the new engine even though the recall caused it and the dealership that sold it to me refuses to pay for the new engine even though they sold it to me with the open recall please help!
Jun 24, 2026EngineFire2 injuries
The contact owned a 2014 Hyundai Elantra. The contact stated that while the vehicle was parked and turned off with the contact seated inside the vehicle, there was an abnormal burning odor coming from the vehicle. The contact had previously been smoking a cigarette. The vehicle was idling high, and hesitating while accelerating with a weak battery. The battery warning light was illuminated. The contact stated that the battery had melted. During a storm, there was a burst of wind followed by a cloud of smoke. The contact and a family member opened the hood and became aware that the engine compartment was on fire. The engine bay was engulfed in flames. The fire was extinguished with…
Oct 1, 2026 · 80,000 milesPower train
I am reporting a failure I personally witnessed while servicing a 2014 Hyundai Elantra; I am not the vehicle owner. On September 24, 2026, at approximately 11 PM and approximately 124,160 miles, both stop/retaining tabs on the automatic transmission oil-level check plug broke during rotation while attempting to remove it for a fluid-level check. The plug continued turning, and I discovered the two broken tabs. I did not deliberately pry or manipulate the tabs. Photographs document the damaged plug and two detached pieces. I believe the plug may have a design or durability defect. My safety concern is that damaged retention features could compromise sealing, potentially allowing…
Sep 24, 2026Engine
Component: Engine (oil intrusion cylinders 1, 2, and 4). Vehicle currently at Stevens Creek Hyundai, available for inspection upon request. Safety risk: Large volume of smoke while driving, reduced visibility, and risk of further engine damage while unresolved. Reproduced/confirmed: Yes. Independent mechanic (Liberti's Automotive, 7/13/26) documented oil entering cylinders 1, 2, and 4. Dealership's own inspection gave inconsistent findings after one week delay saying they do not have the tool to look at the engine, a week later first stating cylinders 1-3 "looked okay" with cylinder 4 unable to be checked due to a broken connector, later stating the engine looked "clean," then offering two…
Jul 13, 2026Electrical systemFire
I woke up to my neighbor banging on my door that my car was on fire. My car was in flames. The fire department had already been called. The entire front of my car as well as the interior was completely destroyed.
Jun 3, 2026Service brakes, hydraulic
The contact owns a 2014 Hyundai Elantra. The contact stated that while driving at an undisclosed speed, the brake pedal was depressed and went to the floorboard, and the brakes made abnormal grinding sounds. The vehicle was taken to an independent mechanic, who replaced the front brakes, but the rear brakes were leaking brake fluid. The dealer was made aware of the failure and advised the contact to take the vehicle back to the independent mechanic for the repair. The vehicle was taken back to the independent mechanic, who replaced the rear brake calipers. The contact stated that the vehicle was previously repaired under NHTSA Campaign Number: 23V651000 (Service Brakes, Hydraulic). The…
Jan 1, 2025 · 52,000 milesEngine
On XXX the vehicle stalled on a busy road, with no warning/ messages appearing until the car died. It was left at Dakota K Auto Repair in Buffalo Grove, IL the same day. They replicated the stalling issue four times, but were unable to diagnose the issue. The vehicle was then brought to Hyundai Auto Nation O'Hare in Des Plaines, IL on XXX. The vehicle stalled twice while they drove it. On XXX their diagnosis stated the timing chain system needed to be replaced. The vehicle was then towed to Arlington Performance Center in Arlington Heights, IL and on XXX they added there was also engine failure which needed replacement. The vehicle was purchased from Patrick Hyundai in [XXX] on XXX and has…
Jul 5, 2026Engine
I am writing to formally log a safety defect complaint regarding a severe mechanical failure in my 2014 Hyundai Elantra, equipped with the Nu 1.8L engine. The vehicle has been professionally diagnosed with severe internal engine knocking stemming from catastrophic piston slap, a manufacturing defect inherent to this engine family block that causes premature cylinder wall scuffing, piston ring degradation, and unmetered oil loss. The National Highway Traffic Safety Administration has previously acknowledged that manufacturing issues in Hyundai engine blocks can cause rotating internal components to fail, leading directly to sudden, un-alerted engine stalling at highway speeds, a severe and…
Apr 29, 2026
Owner complaints are submitted to NHTSA by the public and are not verified. Shown as filed (NHTSA removes personal details); long reports are shortened.
