When the momentary push-button (PB) switch is closed, 12V from C3 is applied at A, causing T2 to turn on. This state grounds the Reset bus, turns on PFET T4 by putting V gs(on) on its gate through the ...

The id.PUSH keyless ignition system is as easy as it gets: just push the button and go! This basic push-button system features a mechanical push-button start with LED halo lighting.