Air conditioning, ventilating and heating control device for motor vehicle, has rotary button with cuts effectuated on opaque and transparent parts so as to hide or make transparent symbols of support to be visible while rotating button

摘要

The device has a support (2) superposed at a rotary button and comprising an opaque surface with three transparent symbols and one opaque symbol. Two of the transparent symbols represent arrows and other transparent and opaque symbols respectively represent a windshield and an occupant. The button has opaque and transparent parts in which cuts are effectuated so as to hide or make visible the symbols (21-23) while rotating the button.