Defroster button, function - GF83.40-P-2139-02GI

Function 

Pressing the defroster button ( ) initiates the defrost function.

Function feedback takes place by means of a yellow LED.

The defrost function works according to the following logic:

• the heating power is regulated using the outside temperature
• the entire air flow is directed at the windshield and the front side windows, and the defroster nozzles are opened.
• the injected air is dehumidified, Reheat mode
• blend air flaps controlled
• footwell nozzles closed