Lamp for vehicle, vehicle, and method of operating lamp for vehicle

A vehicle, comprising:

• a lamp, the lamp comprising:
• a lamp housing part configured to accommodate a light source in an internal lamp housing part space defined therein;
• an outer lens part coupled to a first side of the lamp housing part and configured to cover the internal lamp housing part space;
• a vibration part fixed to the outer lens part;
• and
• a button part provided at a first side of the outer lens part and configured to be movable in a first direction toward the outer lens part and a second direction away from the outer lens part;
• and
• an external appearance part having a first side to which the lamp is coupled, the external appearance part being configured to define at least a part of an external appearance of the vehicle,
• wherein the external appearance part has a through-region defined therein, and the button part is inserted into the through-region.

A method, the method comprising:

• recognizing, by a vehicle, a key of the vehicle equipped with a lamp, the lamp comprising:
• a lamp housing part configured to accommodate a light source in an internal lamp housing part space defined therein;
• an outer lens part coupled to a first side of the lamp housing part and configured to cover the internal lamp housing part space;
• a vibration part fixed to the outer lens part;
• and
• a button part provided at a first side of the outer lens part and configured to be movable in a first direction toward the outer lens part and a second direction away from the outer lens part;
• activating a function of the vibration part;
• and
• outputting a sound by vibrating the vibration part responsive to an external force being applied to the vibration part.