-The CCSM rotary knobs are used to change the temperature and different climate settings with a moving function. Information will be show on the 12 inch screen.Knob also has the moving function .You can change the climate settings, such as the climate temperature set point , blower level and seat comfort level etc. by moving the knob left or right.Knob has the rotate function for clock and ant-clock side, in purpose to adjust the value for different climate settings , such as the climate temperature set point , blower level and seat comfort level etc.