2021 Prevost X3-45 Commuter Recall: Parking brake emergency release valve may be the incorrect type, which can…
NHTSA campaign 21V488000 · Parking Brake · filed Jun 28, 2021 · verified Jul 30, 2026
The defect
Prevost Cars, Inc. (Prevost) is recalling certain 2021 X3 Commuter Coach buses. The parking brake emergency release valve may be the incorrect type, which can result in the permanent release of the parking brake.
The risk
A released parking brake that cannot be re-engaged may cause the vehicle to roll-away, increasing the risk of a crash.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →The fix — what to do
Prevost will provide a service document describing the inspection method used and the remedy applied when needed for the parking brake emergency release valve replacement, free of charge. Owner notification letters were mailed on August 31, 2021. Owners may contact Prevost's customer service at 1-866-870-2046. Prevost's number for this recall is SR21-307.
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.
Affected vehicles
| Make | Model | Model years |
|---|---|---|
| Prevost | X3-45 Commuter | 2021 |
Related recalls
More Prevost X3-45 Commuter recalls
- 2025–2026 Prevost X3-45 Commuter — Passenger seat anchors may have been improperly installed
- 2025 Prevost X3-45 Commuter — Wheelchair seat belt anchorage may have been improperly…
- 2018–2019 Prevost X3-45 Commuter — Entrance door window glazing material is incorrect
- 2006–2018 Prevost H3-41 and 4 other models — Wheelchair platform bridging device may be too steep, which…
- 2014–2018 Prevost H3-41 and 3 other models — Red beacon lighting on the Threshold Warning System (TWS)…
Other campaigns involving Prevost vehicles
All Prevost X3-45 Commuter recalls → · All Prevost recalls →
Source: NHTSA recall database, campaign 21V488000 (manufacturer number SR21-307). Data last verified Jul 30, 2026.