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.
A released parking brake that cannot be re-engaged may cause the vehicle to roll-away, increasing the risk of a crash.
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.