The problem
Kia Motors America (Kia) is recalling certain 2020-2021 Rio vehicles. The brake master cylinder may have been manufactured with sharp edges that can damage the inner oil seal, resulting in reduced braking performance.
The risk
Reduced braking performance can cause longer brake pedal travel or extend the distance required to stop the vehicle, increasing the risk of a crash.
The fix
Dealers will replace the brake master cylinder, free of charge. Owner notification letters were mailed January 11, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall SC223.
Recall details
| NHTSA campaign | 21V-936 (21V936000) |
|---|---|
| Manufacturer number | SC223 |
| Manufacturer | Kia America, Inc. |
| Component | Service brakes, hydraulic › Foundation components › Master cylinder |
| Report date | December 1, 2021 |
| Owners notified | January 11, 2022 |
| Vehicles affected | 87 |
| Initiated by | Manufacturer |
Vehicles covered
Owner complaints about the brakes
Frequently asked questions
Is the recall 21V-936 repair free?
Yes. Kia dealers will fix the problem at no cost: Dealers will replace the brake master cylinder, free of charge. Owner notification letters were mailed January 11, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall SC223.
How do I know if my car is included?
Not every vehicle of the listed model years is affected — the recall covers 87 vehicles built in a certain window. Check your 17-character VIN with our VIN recall check or at nhtsa.gov/recalls.
Source: U.S. National Highway Traffic Safety Administration (NHTSA) — owner complaints through October 20, 2026, recalls and defect investigations; fuel economy from the EPA. Complaints are unverified reports and are not proof of a defect. How we rate model years.