2024 RIVIAN R1S Forward Collision Avoidance Automatic Emergency Braking Problems

Car suddenly lost control, making zig zag movements, none of the safety sensors were working, car went off road and crashed into freeway side fence. Windows airbags deployed on driver window and passenger window behind driver seat

Vehicle was involved in a rear end collision. Vehicle was setup to have Emergency Braking enabled and used the Rivian High Regen setting (one pedal driving). In freeway traffic, the vehicle in front slowed quickly. The vehicle initiated emergency braking, but when the vehicle in front sped away, the vehicle failed to release emergency braking thus resulting in the car behind hitting my Rivian. There was no vehicle to the right of my car. I should have been able to accelerate out of the way and move to the right. It would appear the Rivian system requires a FULL STOP. I was unable to accelerate to mitigate the rear collision damage. Secondly, the vehicle acted like it did not recognize HIGH REGEN setting as a brake input. I have had multiple time where it flashed at me to brake and the HIGH REGEN setting was stopping the vehicle. This is...