2021 Hyundai Sonata Seat belts Problems
- Complaints
- 2about this part
- Share
- 1%of 135 total for the year
- Median mileage
- 26,450miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the seat belts of the 2021 Hyundai Sonata, 1% of the 135 complaints for this model year. Where a mileage was given, the median is 26,450 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2021 Hyundai Sonata. The contact stated that while driving at an undisclosed speed, his son complained that the seat belt had tightened and locked and that he was unable to adjust the seat belt. Upon arriving at his destination, the contact stated that attempts to remove the seat belt had failed and the contact decided to cut the seat belt. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 26,450.”
NHTSA complaint #11536091, filed 2023-08, 26,450 miles“P0471 error comes up off and on, this is recall related but the dealership refuses to address it. The seatbelt has to be clicked 2x in order to stick. Happens with driver side.”
NHTSA complaint #11706868, filed 2025-12Seat belts: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2024 | 1 | 2% |
| 2021 | 2 | 1% |
| 2020 | 1 | 1% |
| 2019 | 5 | 3% |
| 2018 | 8 | 2% |
| 2017 | 8 | 1% |
| 2016 | 9 | 1% |
| 2015 | 21 | 2% |
| 2014 | 25 | 3% |
| 2013 | 62 | 3% |
| 2012 | 75 | 5% |
| 2011 | 107 | 3% |
| 2009 | 8 | 2% |
| 2008 | 19 | 4% |
| 2007 | 60 | 9% |
| 2006 | 102 | 10% |
| 2005 | 3 | 2% |
| 2004 | 4 | 2% |
| 2003 | 7 | 4% |
| 2002 | 5 | 2% |
| 2001 | 1 | 0% |
| 2000 | 5 | 2% |
| 1999 | 6 | 5% |
| 1997 | 1 | 2% |
| 1995 | 1 | 2% |
| 1993 | 2 | 8% |
| 1992 | 4 | 18% |
| 1991 | 9 | 31% |
| 1990 | 3 | 19% |
| 1989 | 2 | 18% |
Other parts of the 2021 Hyundai Sonata
34 complaintsFuel system
34 complaintsOther or unknown
32 complaintsTransmission and drivetrain
25 complaintsElectrical system
18 complaintsVisibility (wipers, defrost, mirrors)
12 complaintsForward collision avoidance
9 complaintsAir bags
4 complaintsBrakes
4 complaintsBody and structure
4 complaintsLane departure
3 complaintsSeats
2 complaints
← All problems reported for the 2021 Hyundai Sonata
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology