Where is the headlight washer button?

My car (406) has a headlight washing feature, but I have never thought of using it until now.

If I guess, there are 98 models 406 on me, and the glass wiper arm can be pressed on mine, but it has no function, it could have been put in for the headlight washing module ... try it like that ... it is a separate button I don't think, it is something that must be rotated on the wiper arm, or it is a feature that works when pressed on it like a horn ..

I think it was activated by long press on normal windscreen water.

hmm nice feature actually

I think there might be a failure to work with the headlights off. Try with the headlights on.

I read from the 406 Handbook, it writes exactly like this; When the dipped headlights are on, it says that the wiper will be activated when the glass water is pressed, but I have not tried ... I will take it to the service and ask ...