am sure it has some sort of sensor or something thats activates depeding on your choice 185 or 195 f regardless guys dont think twise about this mod , it will need cutting and tweaking because the shroud it comes with it too small so it needs to be fabricated back to the stock one but do it now because i was stuiped for waiting on 3 tt 370z's to figure out this mod sheeeeeesh
i had radiators, oil cooler, ect ect and nothing did it for me as much as the fans did period