A rotary controller is a type of physical knob or dial that can be turned to control different functions or settings. It is often used to navigate menus, adjust volume, or scroll through options on electronic devices or machinery. Full definition
In addition to the standard rotary controller on the center console, the infotainment system now responds to touches on its dash - mounted display. (automobilemag.com)
Nowhere is this more true than the center - console - mounted rotary controller for the infotainment system. (cnet.com)
As standard, all vehicles have a 6.5 - inch full colour display and standard rotary controller. (press.bmwgroup.com)