And if the IC on the indicator gets changed out and the new one causes interference which leads to the airbags not deploying in a crash?
Building things which can have small defects that kill people is just a different game.
Building things which can have small defects that kill people is just a different game.
E.g. there are these additinonal brake lights one could place at the top of the rear window. For a long time it was illegal to use them, even if you just glued them on the inside
Obviously, if the aftermarket product puts other people at risk, then the consumer who did the modification would be legally liable