This heating switch panel is specially designed for Volvo truck cabins, with reference codes 20880292 and 21109434.

The panel features four rotary buttons:

• The left button allows temperature adjustment, with a scale from blue (cold) to red (hot).
• The second button controls the direction of the airflow, offering options for defrosting, front ventilation, and foot ventilation.
• The third button adjusts the fan speed, with options from 0 to 3 and an automatic mode.
• The right button adjusts the cabin temperature, with a graduated scale from 18°C to 26°C.