2021 LINCOLN AVIATOR Forward Collision Avoidance Adaptive Cruise Control Problems

Driving 75mph. Cruise set to 75mph. Vehicle randomly reset cruising speed to 85 and 105mph or two separate occasions over 4 days. I went through the settings and disabled intelligent cruise control and switched it to adaptive cruise control, which doesn't use radar and navigation data. Only tell will tell if that fixed it. I already had speed sign recognition disabled.

Powertrain malfunctioning. The vehicle has had multiple neutral out (not reacting) when the accelerator is applied. Occurring in the middle of an intersection 3 times. Stuck in the middle of the intersection has resulted in two (2) cases of almost being hit by an oncoming vehicle. Pulling into traffic from a stop sign and losing the accelerator another time resulting in traffic breaking hard to avoid an accident. Recently while in cruise control on the highway driving 79 MPH, the vehicle suddenly shifted into what had to be the lowest gear lunging passengers forward and slowing to an unacceptable speed for the highway. Almost initiating being hit from the rear by a tractor trailer and just making it off of the shoulder to safety. This may be the result of service bulletins 22-2145 or SSM 50529. The dealer has stated they cannot reproduce the problems but are aware of the...