"Lamp control" refers to the power to turn on, off, adjust or regulate the lighting of a lamp. It means being in charge of controlling the brightness or the functioning of a lamp. Full definition
To turn on the front fog lamps, press the exterior lamp control knob. (yourmechanic.com)
The front fog lamps are controlled with the exterior lamp control, which is located on the instrument panel, to the left of the steering column. (yourmechanic.com)
Headlamps halogen projector - beam with automatic exterior lamp control flash - to - pass and daytime running (autoshowcase1.com)