Hi RenAngelT1, glad to know you are enjoying our game. We been working on improving the animatronics' detection mechanism. The new detection system will introduce a small delay at long range, so the animatronics don't insta-detect the player from too far away. Hover this is still under testing. If that doesn't solve the issue we may have to resort to shorten they detection range.
The idea to make the animatronics' vision cones visible been there from the start, but haven't found a way to justify its existence in universe yet. We thought on it as a very end game upgrade so haven't look into it too much yet. Your idea to be able enable it from the start, as a sort of 'train wheels' system is interesting indeed.