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Vehicle recall 21V937000 · December 2, 2021

2021 Hyundai Accent

The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil seal, resulting in reduced braking performance.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
Hyundai Motor America (Hyundai) is recalling certain 2021 Accent vehicles. The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil seal, resulting in reduced braking performance.
Consequence
Reduced braking performance can cause longer brake pedal travel or extend the distance required to stop the vehicle, increasing the risk of a crash.
Remedy
Dealers will replace the brake master cylinder, free of charge. Owner notification letters were mailed February 10, 2022. Owners may contact Hyundai customer service at 1-855-371-9460. Hyundai's number for this recall is 213.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Recall details

NHTSA campaign
21V937000
Reported to NHTSA
December 2, 2021
Filed by
Hyundai Motor America
Manufacturer campaign
213
Owner notification
January 26, 2022
Vehicles potentially affected
76
Initiated by
the manufacturer
Components
Service brakes, hydraulic › Foundation components › Master cylinder
Recall 21V937000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Hyundai been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Hyundai dealer can also check your VIN. Recall repairs are free.