Is there a list somewhere of what year the tech was implemented, on a model by model basis [a.k.a. snitch-free rides]? Because regardless of what the manufactur

Is there a list somewhere of what year the tech was implemented, on a model by model basis [a.k.a. snitch-free rides]? Because regardless of what the manufacturers say, it seems like the data's going to inevitably leak out by some means, intentional or otherwise.