noun / verb
dial
DYE-uhl/ˈdaɪəl/
A marked face indicating or selecting a setting.
The timer's pointer selects a numbered setting on its circular dial.

Etymology
A sundial’s graduated surface supplied the model for a face with a moving pointer. The name broadened to instrument faces and numbered controls, including the rotating plate of a telephone.
In context
make this rotary dial down here control more functions of the infotainment system
More examples
- Turn the dial to select the gentle wash cycle.
- I dial down the radio's volume when the phone rings.
- She dials her sister's number from memory.
Forms
dial · dials · dialed · dialing