Originally Posted by
I-Like-To-Bike
....none of them are associated in any way with the door locking mechanisms as proposed in your "idea", perhaps for good reasons.
You are making things up again.
You talked about locking doors. I did not. That might not be necessary to be useful.
Originally Posted by
I-Like-To-Bike
Your proposed idea would also have to figure out how drivers and/or passengers can open the doors from the outside, if your proposed detector system is always active locking the doors whenever something is in the actual door zone near the car.
Cars already have no problem doing this. It's common.