Defroster/defogger/hvac System problems of the 2022 Ford Explorer

Since "fixing" my vehicle with retrofitted 2nd row hvac controls, the 2nd row heating is unable to be controlled from the front, which means if you have a child in a car seat who can't reach the 2nd row controls you must reach behind while driving to adjust the heat. If you try to adjust from the front controls, it shuts off the overhead vents and only blows from one 3rd row floor vent, which doesn't provide much heat for the 2nd row passengers. The ac controls work properly when controlled from the front. I've taken my vehicle to Ford several times and they tried reprogramming, etc. And compared to other vehicles of the same model year and said they are functioning the same as mine. I believe this poses a serious safety risk as who is not going to attempt to reach back to provide some heat to a cold child?.