Headlamp or tail lamp having a visible element adapted to present a predetermined appearance

An assembly for a motor vehicle, this assembly comprising at least:

• a visible element at least partially visible from an outside of the motor vehicle when said visible element is installed on the motor vehicle, said visible element being able to present selectively at least a first appearance and a second appearance, said first and second appearances being able to remain in the absence of electrical energy to said visible element, said visible element being arranged to provoke a transition from said first appearance to said second appearance in response to a command;
• and
• an actuator arranged to send a command to provoke said transition from said first appearance to said second appearance of said visible element, said actuator being able to be used, in normal usage, outside a passenger compartment of the motor vehicle;
• wherein said visible element is part of at least one of a lighting device or a turning or braking signaling device of the motor vehicle, said at least one of said lighting device or said turning or braking signaling device being at least one of a headlamp or a tail lamp;
• and
• wherein said visible element forms at least part of said at least one of said lighting device or said turning or braking signaling device, said part being at least one of a mask, an outer lens, a lens, a housing or a trim.