An LED bulb is made up of one or more light-emitting diodes, encased in plastic for protection. LEDs produce light much more efficiently than incandescent bulbs, with about 90% less heat, and are beginning to replace them in many applications.
You can replace it by removing the cluster which is a little rime consuming to the average person. The bulb is more likely a LED. Id just leave it to the professional. Or leave it alone. That light is useless