2021 Hyundai Elantra: raw data

Every record we hold for this vehicle, as plain tables, with nothing added. The consumer page shows the same records with the maintenance schedule, price ranges and nearby shops around them.

vehicle2021 / hyundai / elantra
known issues7 clusters (reviewed 2026-06-14)
complaints130 on file (2021-02-07 → 2026-09-14)
recalls6
investigations2
fars28 occupant deaths, crash years 2010-2024 (legacy-code)
indexedyes
licenseCC BY 4.0 (derived)

Known Issues clusters all years →

Forward collision and smart cruise control warningsFORWARD COLLISION AVOIDANCE18 complaints2022-09 → 2025-09elantra-2021-forward-collision-radar
  • 11562509 vehicle only has 14k miles and is showing an error message for "check forward safety system" and "check smart cruise control system" after some research found this is a very common issue with multiple Elantra's where the front radar goes bad causing safety systems…
  • 11487108 While driving down the highway, a warning light stating the Forward Collision Warning system became inoperable, as well as the Adaptive Cruise Control System. Vehicle has no collisions, yet the dealer can't get the system to calibrate again.
  • 11614945 Several times, including yesterday, my forward collision avoidance engaged by braking suddenly and strongly and INAPPROPRIATELY, almost causing me to be rear-ended. I was nowhere near the car in front of me, and fortunately due to traffic was traveling below the speed limit…
  • 11523885 I was traveling in the rain and a CHECK FORWARD SAFETY SYSTEM warning appeared on my dashboard. There was nothing in front of me to set that off. I notified the dealership and they said it was an alignment code and must have gotten hit.( Which I doubt) so wasn't covered under…
Seat belt pretensioner recall and parts availabilitySEAT BELTS22 complaints2022-05 → 2026-02elantra-2021-seat-belt-recall-parts
  • 11497445 NHTSA Recall Number 22V354000 has been active since May 18, 2022. The dealership says no dealers in the area have received the part to fix it. The recall itself carries serious safety concerns as the seatbelt will explode metal fragments in an accident…
  • 11494140 The contact owns a 2021 Hyundai Elantra. The contact received notification of NHTSA Campaign Number: 22V354000 (Seat Belt) however, the part to do the recall repair was not yet available. The local dealer was contacted…
  • 11490270 The contact owns a 2021 Hyundai Elantra. The contact received notification of NHTSA Campaign Number: 22V354000 (Seat Belts) however, the part to do the recall repair was not yet available. The local dealer was contacted…
Backup camera display failureELECTRICAL SYSTEM9 complaints2024-06 → 2025-03elantra-2021-backup-camera
  • 11621050 I am writing to file a formal complaint regarding a significant safety issue with my vehicle's backup camera system. The backup camera consistently malfunctions, displaying glitchy images with distorted lines across the screen. This issue renders the camera essentially unusable…
  • 11593541 Since last year around 55k miles, my backup camera has stoped working. The first incident happened as I was about to back out of my garage. I opened the garage door and put my car into reverse. As I looked down at the screen and began to back up, I realized the screen showed me…
  • 11647073 My back up camera fails to work consistently. This issue appears to only worsen with every use. Sometimes to screen will appear half on and half off. I have yet to receive any notice of a recall and would like to get this fixed if at all possible. Thank you!
Horn stops workingELECTRICAL SYSTEM, UNKNOWN OR OTHER6 complaints2023-02 → 2025-04elantra-2021-horn-failure
  • 11569887 I have had to get the horn replaced on my ELANTRA six times the horn goes out and this can be a very big safety hazard as it has caused people to almost hit me because they didn't see me and my horn wasn't working to alert them this needs to be addressed as soon as possible…
  • 11548798 The horn stops working. It is not a fuse related issue. It is the horn itself. There are multiple reports of horn failure in this model, 2021 and 2022, on the internet and social media. There are people reporting that dealerships are also seeing a lot of cars with horn failure…
  • 11559151 The horn is a known issue to stop working on the Hyundai Elantra. I have had my car for 10 months, and the horn does not work. This is a very big safety concern and I have been told by mechanics and other Hyundai Elantra owners this is a constant issue.
Engine stalling and seizureENGINE8 complaints2022-02 → 2026-04elantra-2021-engine-stall-seizure
  • 11453121 On 1/27/2022 my daughter was driving home from school in her 2021 Hyundai Elantra SEL which was purchased new on 6/19/ 2021 when at 5600 miles on the odometer a message came on the instrument cluster which read put car in neutral and turn off engine, when it was safe to do so…
  • 11473491 At about 11 months old my car suddenly seized while attempting to enter the highway. This came with no type of warning from the vehicle until the car had stopped and then every light on the cluster came on. I was fortunate not to be rear ended…
  • 11693336 The contact owns a 2021 Hyundai Elantra. The contact stated that there was a knocking sound coming from the engine compartment while the vehicle was idling. The RPM fluctuated and the vehicle stalled while at a complete stop, and while shifted to park(P)…
DCT transmission shudder and hesitationPOWER TRAIN5 complaints2022-10 → 2026-03elantra-2021-transmission-shudder
  • 11491323 Ongoing issues whereby when accelerating the car jerks due to the transmission shuddering. There are many times when acceleration is very slow and the gears slowly shift. Brought this up to the dealership where I bought the car and they keep giving me the run around.
  • 11540929 Cars DCT transmission constantly slips into neutral and is very dangerous when getting onto main roads.. every time I accelerate my vehicle it sits in neutral and revs to high rpms and slows down until it abruptly changes gears very hard and it repeats this for every gear after…
  • 11722451 I owned a 2021 Hyundai Elantra N Line that experienced a recurring transmission issue. In warm weather conditions the transmission would intermittently slip and stutter, causing a jerky engagement when attempting to accelerate. In cold weather the vehicle operated normally…
Unintended acceleration with brake appliedVEHICLE SPEED CONTROL, SERVICE BRAKES4 complaints2022-09 → 2025-05elantra-2021-unintended-acceleration-brake
  • 11484435 My vehicle was slowing down and was halfway into a parking spot. Then, it suddenly accelerated, jumped over commercial parking blocks, and ended up stopping after hitting a wall. My brake was not working at that moment. I initially reported it to Hyundai USA…
  • 11549764 The contact owns a 2021 Hyundai Elantra. The contact stated that while driving at approximately 2 MPH, the brake pedal was depressed but the vehicle accelerated. The vehicle collided with a median and another vehicle. The air bags did not deploy…

NHTSA complaints (summary) all years →

countearliest_datelatest_datecrash_flaggedfire_flaggedtop_components
1302021-02-072026-09-1481FORWARD COLLISION AVOIDANCE:32; ELECTRICAL SYSTEM:30; UNKNOWN OR OTHER:29; SEAT BELTS:27; ENGINE:13

Recalls all years →

campaign_numberreport_received_datecomponentsummaryconsequenceremedy
21V79600013/10/2021SEAT BELTS:FRONTHyundai Motor America (Hyundai) is recalling certain 2021 Elantra, Elantra HEV, Venue, Genesis GV80 and 2022 Genesis GV70 vehicles. In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioner(s) may explode upon deployment.An exploding seat belt pretensioner could project metal fragments into the vehicle, striking vehicle occupants and resulting in injury.Dealers will replace the seat belt pretensioners, free of charge. Owner notification letters were mailed February 10, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's numbers for this recall are 211 and 009G. This recall is replaced by NHTSA recall numbers 22V-354 for Elantra and Elantra HEV vehicles, 22V-458 for Venue vehicles, and 23V-094 for Genesis vehicles. Elantra, Elantra HEV, Venue, and Genesis vehicles already repaired under this recall will need to have the new remedies completed.
21V00M00028/12/2021VISIBILITY:WINDSHIELDHyundai Motor America (Hyundai) is recalling certain 2020-2021 Santa Fe, 2021 Sonata, and Elantra vehicles. During manufacturing, the windshield may not have been properly bonded to the vehicle, allowing it to detach in a crash.A windshield that detaches from a vehicle during a crash can increase the risk of injury.Dealers will remove and reinstall the front windshield panel, free of charge. Owner notification letters were mailed June 20, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 216.
21V30200028/04/2021SEATS:FRONT ASSEMBLY:RECLINERHyundai Motor America (Hyundai) is recalling certain 2021 Elantra vehicles. The driver and front passenger seat back recliners may have been improperly welded.An improperly welded seat back recliner could separate from the seat back frame during a crash, increasing the risk of injury.Dealers will inspect and if necessary, replace the seat back frame assembly, free of charge. Owner notification letters were mailed on June 21, 2021. Owners may contact Hyundai customer service at 1-888-371-9460. Hyundai's number for this recall is 204.
22V21800001/04/2022SEAT BELTS:FRONTHyundai Motor America (Hyundai) is recalling certain 2021-2022 Elantra and 2020 Accent vehicles. In the event of a crash, the front driver and passenger-side seat belt pretensioners may explode upon deployment.Exploding seat belt pretensioners can project metal fragments into the vehicle, strike vehicle occupants, and result in injury.Dealers will replace the seat belt pretensioners, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed on May 31, 2022. A second notice will be sent once remedy parts become available. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 223. This recall is replaced by NHTSA recall number 22V-354. Vehicles already repaired under this recall will need to have the new remedy completed.
22V35400019/05/2022SEAT BELTS:FRONTHyundai Motor America (Hyundai) is recalling certain 2020-2022 Accent, 2021-2022 Elantra, and 2021-2022 Elantra HEV vehicles. In the event of a crash, the front driver-side and/or passenger-side seat belt pretensioners may explode upon deployment.An exploding seat belt pretensioner can project metal fragments into the vehicle, strike vehicle occupants, and result in injury.Dealers will secure the seat belt pretensioner(s) with a cap, free of charge. Owner notification letters were mailed August 28, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 229. This recall expands and replaces NHTSA recall numbers 21V-796, 22V-069, 22V-218, and 22V-123 for Accent, Elantra, and Elantra HEV vehicles. All Accent, Elantra, and Elantra HEV vehicles already repaired under the previous recalls will need to have the new remedy completed.
24V87900021/11/2024BACK OVER PREVENTION: SENSING SYSTEM: CAMERAHyundai Motor America (Hyundai) is recalling certain 2021-2022 Santa Fe, Santa Fe HEV, Elantra, Elantra HEV and 2022 Elantra N and Santa Fe PHEV vehicles. Due to a damaged printed circuit board, the rearview camera image may fail to display. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."A rearview image that does not display reduces the driver's visibility and increases the risk of a crash.Dealers will replace the rearview camera, free of charge. Owner notification letters were mailed January 14, 2025. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 271.

Investigations all years →

action_numberstatussubjectcomponentsopenedclosedrecall_campaignsummary
DP22003closedLoss of Motive PowerENGINE2022-09-122023-12-12·The National Highway Traffic Safety Administration (NHTSA) received a letter dated July 13, 2022, petitioning the Agency to initiate a safety defect investigation into loss of motive power allegations attributed to oil drain pan assembly failures on certain Hyundai Motor America, Inc. and Kia America, Inc. vehicles spanning Model Years (MY) 2005-2021. The Petitioners cited examples of complaints indicating that the subject vehicles were experiencing rapid loss of engine oil due to oil drain plug back outs, resulting in loss of motive power and/or catastrophic engine damage. Additional complain
RQ22003closedSeat Belt Pretensioners May RuptureSEAT BELTS:FRONT2022-08-082023-05-2623V094000On August 8, 2022, the Office of Defects Investigation (ODI) opened this Recall Query (RQ) based on 3 incidents alleging front seat belt pretensioners that may rupture during deployment, on model year (MY) 2020-2022 of various Hyundai and Kia Models, resulting in 3 injuries (note: one incident occurred outside the U.S. and its territories).Between October 2021 and March 2023, Hyundai and Kia have filed the following 11 safety recalls for pretensioner rupture: NHTSA Recall No. 21V-796, 22V-069, 22V-123, 22V-127, 22V-218, 22V-354, 22V-447, 22V-458, 22V-816, 23V-094, and 23V-210.Hyundai/Kia have

FARS occupant deaths all years →

crash_yearsoccupant_deathsmatch_typevpic_recovered
2010-202428legacy-code0

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road.

Cite this

Derived data is CC BY 4.0. Link back to the page you used. Text and BibTeX below.

Wrench.Pro (2026). 2021 Hyundai Elantra vehicle data [dataset]. https://www.wrench.pro/data/vehicles/2021/hyundai/elantra
@misc{wrenchpro_2021_hyundai_elantra_2026,
  author = {Wrench.Pro},
  title = {Wrench.Pro vehicle data: 2021 Hyundai Elantra},
  year = {2026},
  howpublished = {\url{https://www.wrench.pro/data/vehicles/2021/hyundai/elantra}},
  note = {Derived from NHTSA public records. CC BY 4.0.}
}

hub · known-issues · methodology · license · research (interpretation)