I bought a new car with s&s and, every time I turn the car on, s&s automatically turns on. There is a button to turn it off manually, but I want it automatically off. I was thinking about adding in parallel to this button a 555 timer or a transistor timer (transistor+capacitor) to "simulate" a human pushing the button. I don't know on how many volts run this circuit, but I know that requires 500 ms to "understand" that i want to change s&s state (I can turn it off and on with this button). Can you help me to do this? Sorry for my bad english, I hope it's all understandable :c
I added this scheme, hoping that it's all clear Summing up, every time I turn on the car, also start&stop turn on automatically, but I can turn off/on by pressing a button for 0.5 s. So I want to do this last task automatically. How can I do it?