I am writing to formally report a critical safety issue with my 2020 Chevrolet Malibu, which resulted in a severe accident and posed significant risks to my safety and the safety of The issue involves the brake vacuum pump, which failed while I was driving. The component is currently with the vehicle, which is stored in a parking facility, and is available for inspection upon request. The failure of the brake vacuum pump caused a sudden and complete loss of braking power while I was driving. This malfunction put my life and the lives of others at immediate risk. On the first occasion, in April, I narrowly avoided a serious collision. Four weeks later, I experienced a second instance of brake vacuum failure, which led to a severe accident. The inability to stop the vehicle safely was directly caused by this malfunction. I contacted General Motors (GM) in April 2024 to report the initial brake vacuum failure. At that time, the issue had not yet been reproduced or inspected by a dealer or service center. Following the accident, I have been unable to confirm whether GM or any other party has The vehicle and component have not been inspected by the manufacturer, police, or insurance representatives since the accident. I reported the issue to GM prior to the accident, but they have not provided any assistance or resolution. Prior to the initial brake vacuum failure in April, I did not observe any warning lamps, messages, or other symptoms indicating a potential problem. The f