Originally Posted by electech
Ok, here is a picture. It has some sort of symbol on the turn signal front side facing the driver. Looks like a box with dotted lines on either side. It is a momentary pushbutton, not a rocker.
This is the on/off button for Lane Departure Warning, somehow you got some Euro Focus bits in your USA car
This is video showing the switch in the Ford Mondeo albeit the button on the turn signal stalk is setup in a different location, but the function is the same
Funny example video UK humor