No longer will you have to worry about leaving your turn signals on, from our Plug and Play line we introduce our new �Self-Canceling' turn signal product, the ATS (Automatic Turn Signal) System. With the push of a button, the ATS will activate the corresponding turn blinker for a short duration and then automatically cancel for simple lane changes. All Automatic Turn Signal Systems include a marine grade rocker switch with laser cut arrows that flash green when activated. It is easy to install with no wires to cut and no crimping. Everything needed to integrate with your vehicles OEM brake light harness comes included..