Indicator lights, found within the Electrical & Lighting > Lighting systems of passenger cars and commercial vehicles, communicate crucial information to the driver and other road users. These lights signal intended maneuvers such as turning, lane changes, hazard warnings, and vehicle position. Typically integrated into the vehicle's body panels - including the front and rear wings, door mirrors, and side indicators - they utilize incandescent, halogen, or LED technology for optimal visibility. Indicator lights must meet stringent photometric standards to ensure brightness and color conformity for safe operation. Examples in this category include Febi indicator lights (MPN FEBI103597) and various MAN indicator units (MPN 81274216052, 81619906127, 81253016091), as well as genuine BMW replacements.