There are no safety recalls for the 2021 Hyundai Ioniq Plug-In Hybrid, but owners have filed 5 complaints with NHTSA.
2021 Hyundai Ioniq Plug-In Hybrid problems reported by owners
| Problem area | Reports | |
|---|
| Electrical System | 2 | |
| Forward Collision Avoidance | 2 | |
| Service Brakes | 2 | |
| Vehicle Speed Control | 1 | |
| Unknown or Other | 1 | |
| Seat Belts | 1 | |
Most reported parts
- Forward Collision Avoidance › Adaptive Cruise Control — 2
Typical mileage at the time of the problem: 3,400 miles (median of owner reports).
Problems that are not covered by a recall are paid repairs; labor rates follow local mechanic pay — see what auto mechanics earn in each state.
Recent 2021 Hyundai Ioniq Plug-In Hybrid complaints
Owner reports filed with NHTSA, as written (personal details removed). Complaints are not verified by NHTSA.
Seat Belts · reported May 26, 2026
Installing a car seat and the belt buckle failed. The plastic part split and no longer holds the belt together. This was under regular pressure with standard leverage that the car seat design calls for. Nothing was ever on top of the buckle and it is not damaged in any other way at all other than the failure. They refused to replace it via warranty.
Electrical System · reported Jul 31, 2025
Auto Hold/EPB lights come one while driving. Deactivates cruise control of on. Turns off auto hold. Ongoing issue with many reports but no recall or dealership knowledge. Ongoing issue since purchase.
Service Brakes · reported Jul 15, 2025
The "Auto Hold" feature on my Hyundai Ioniq malfunctioned, displaying a dashboard warning: "AUTO HOLD conditions not met. Press brake pedal." This message randomly appears while driving or stopping, and it deactivates the Auto Hold and Electronic Parking Brake (EPB) functions. In some cases, the car rolls after stopping because the system fails to hold the vehicle. This issue compromises vehicle safety, especially on inclines or during stop-and-go traffic. It puts me, passengers, and other drivers at risk. The problem has occurred multiple times and is unpredictable. It appears to be linked to…
Vehicle Speed Control · reported Jul 20, 2022
During a highway trip that was bumper to bumper traffic at approximately 15mph, the car suddenly would not accelerate while operating on gasoline (not electric). The engine revs would increase to maximum without movement from the car (as if the car was in neutral). After checking the gear lever to make sure it was still in D, tried to accelerate again and engine rev high without movement. Eventually car came to stop with brakes, and the car could move on electric power (in hybrid mode), pulled over and turned off the car to visually inspect. After not identifying anything, turned on car and…
Electrical System · at 3,400 miles · reported Feb 23, 2022
The contact leased a 2021 Hyundai Ioniq Electric The contact stated that while the vehicle was parked, he attempted to open the driverâs side door using the key fob; however, the door would not open. The contact contacted Hyundai roadside assistance who assisted him in jumpstarting and recharging the batteries. The contact was still able to drive the vehicle. The contact stated that a couple of days later, the vehicle failed to start after several attempts. The vehicle was towed to the dealer where it was diagnosed that the mechanic switch that applied the emergency brake was not completely…
Frequently asked questions
Does the 2021 Hyundai Ioniq Plug-In Hybrid have any recalls?
No. NHTSA has no safety recalls for the 2021 Hyundai Ioniq Plug-In Hybrid as of this update. Check your VIN at nhtsa.gov/recalls for the latest status.
What is the most common problem with the 2021 Hyundai Ioniq Plug-In Hybrid?
Owners report electrical system problems most often (2 reports), followed by forward collision avoidance (2). The typical mileage when problems were reported is about 3,400 miles.
Are Hyundai recall repairs free?
Yes. Safety recall repairs are free at authorized Hyundai dealers, whether you are the first owner or bought the car used.