Hyundai recalls 2021 Accent vehicles with potential brake master cylinder issues causing longer brake pedal travel and increased crash risk. Owners must have the brake master cylinder replaced at no cost by dealers.
“Hyundai 2021 Accent: Brake Master Cylinder Recall - Reduced Braking Performance.” GovInfoNow, updated August 18, 2026. https://govinfonow.com/recall/80468-hyundai-2021-accent-brake-master-cylinder-recall-reduced-braking-performance. Based on NHTSA recall #21V937000 (https://www.nhtsa.gov/recalls?nhtsaId=21V937000).
Hyundai Motor America recalled 2021 Accent vehicles due to reduced braking performance, according to the National Highway Traffic Safety Administration on February 12, 2021. Dealers will replace the brake master cylinder free of charge.
How to tell if you have it
Brand: Hyundai
Product: Accent
Model Year: 2021
What to do
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.
The hazard
The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil seal, resulting in reduced braking performance. This can cause longer brake pedal travel or extend the distance required to stop the vehicle, increasing the risk of a crash.
Context
GovInfoNow's records show Hyundai Motor America has 193 other recalls on record since July 11, 2014. Other recent recalls include a rear seat trap hazard for the 2026 Ioniq 9 (September 11, 2026), a crash injury risk for Kona seat belts (July 14, 2026), and an instrument panel display failure for the Tucson Hybrid (June 24, 2026). Other recent recalls of similar products include a reduced stop distance risk for the Honda Acura ILX (November 12, 2025), a brake system crash risk for BMW I5 vehicles (July 1, 2026), and a brake pedal detachment risk for the Audi E-TRON Sportback (April 15, 2026).
How to tell if you have this one
Check if your 2021 Hyundai Accent was purchased after the recall was issued. The specific model year and vehicle details are listed in the owner notification letter mailed February 10, 2022.
Brand
Hyundai
Category
Vehicle
Based on the official NHTSA remedy
What to do — step by step
Contact Hyundai Customer Service
Call 1-855-371-9460 to schedule a brake master cylinder replacement at no cost.
Have Dealers Replace Brake Master Cylinder
Dealers will replace the brake master cylinder for free as part of the recall.
Official remedy
What NHTSA says to do
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.
How this recall unfolded
Recall timeline
Owners were mailed letters 12 months after NHTSA received the defect report.
1NHTSA received the defect report
2Owner letters mailed
Dates from the agency record only; steps without a date are left out.
Take action
Contact Hyundai
We’ve drafted a message you can send Hyundai to request your refund or repair — edit it as you like.
Subject: Recall 21V937000 — Hyundai 2021 Accent: Brake Master Cylinder Recall - Reduced Braking Performance
Hello,
I own a Hyundai 2021 Accent: Brake Master Cylinder Recall - Reduced Braking Performance that is covered by recall 21V937000 from Hyundai.
The official recall notice states: 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.
I’m writing to arrange the remedy described in the recall (a refund, repair, or replacement as applicable). Could you please tell me the next steps to resolve this?
Thank you.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Plain-language summary written by qwen3:4b on August 18, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.