1) Brake system, yes. 2) The vehicle did not stop when the brake pedal was depressed (known issue with GM). 3) Yes, GM provided an independent investigator and confirmed the brake system failure. 4) Yes. 5) No. On May 29, 2021, at approximately 9:35 AM, I was traveling Northbound on Interstate 5 and exiting the freeway on Highway 46. As I exited the freeway, there was slow moving traffic, I began to brake and experienced no braking at all and the ABS kicked in. At that time, I was traveling at approximately 10 miles an hour when the impact accorded with the vehicle in front of me.