AC control module compatible with Scania trucks, part number 1939634-20239-N-13. This control module allows adjustment of the interior temperature, fan speed, and airflow direction. It features three rotating buttons:

• The left button is for setting the temperature, with a range from 19°C to 25°C and an off option.
• The central button controls the fan speed, with four speed settings (0-3).
• The right button adjusts the airflow direction, offering various options for defogging the windows and air distribution.

The physical dimensions of the module are indicated in the image, with a ruler for reference, having a total length of approximately 20 cm.