The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving approximately 65 MPH and attempting to decelerate, the brake pedal extended to the floorboard while depressed, and the vehicle failed to immediately decelerate. During the failure, the message "Brake Failure" was displayed. The vehicle was later towed to the local dealer. The cause of the failure was not yet determined. The manufacturer was notified of the failure. The failure mileage was 94,000.

- Miramar, FL, USA

The contact owns a 2021 Chevrolet Silverado 1500. The contact stated that while driving at approximately 25 MPH and traveling down a 5 percent grade hill, the brake pedal depressed to the floorboard on several attempts. The vehicle failed to slow down. The driver continued to pump the brake pedal. The contact engaged the parking brake. The service trailer brake system and the engine warning lights were illuminated. The contact had an independent mechanic reset the brakes. The vehicle was taken to the local dealer, where it was diagnosed that the brake master cylinder booster system needed to be replaced. The vehicle was not repaired due to parts not being available. The manufacturer was contacted, but no assistance was provided. The failure mileage was approximately 49,400.

- Richlands, VA, USA