2022 CHEVROLET SUBURBAN Forward Collision Avoidance Warnings Problems

A. The Emergency Brake system, The Anti-Collision Sensor, The vibrating Driver's seat Alert, The dashboard Collision Alert lightening......All of these gave no alert prior to the collision. B.The failure of the safety devices prevented from me from avoiding a collision that was cause by the other driver (Police report available for your peruse) C. They inspected and denied any liability for any failure of their safety devices (And my question to them is if any these are functioning properly as said, then there wouldn't be any collision ) D. Yes, inspected E. There were no waring lamps, no seat vibration, the emergency brake never ceased the car from colliding.