2015 Jeep Grand Cherokee forward collision avoidance problems

Tl* the contact owns a 2015 jeep grand cherokee. After switching to the park position and exiting with the engine running, the vehicle suddenly drove forward and struck a second vehicle. The contact sustained an injured right arm. Medical attention was not required. The vehicle was taken to the dealer who was unable to duplicate the failure. Also, while driving at various speeds, the collision avoidance system randomly activated and caused the braking system to abruptly stop the vehicle.

Forward facing camera behind rearview mirror developed an internal fault, which triggered vehicle's communication bus to not function at all. Vehicle would not start and could not be jumpstarted. No interior lights or accessories functioned. Vehicle had to be towed and after diagnoses, the dealer disabled the forward facing camera to make my vehicle operable again, but without functionality of auto high beams and forward collision warning and forward collision active braking features.