D83.20-1105-11
1 Turn heater control switch (1) on air conditioning pushbutton control module (2) fully to the right
(in "cold" direction).
2 Hold the air conditioning pushbutton control module (2) in its installation position.
As a result of this, the cable is not twisted on installation of the pushbutton control module.
3 Turn the heater control adjusting lever (3) fully to the right (pull lever backwards) and clip the cable (4) in in this position (arrow).
4 Turn the heater control switch (1) and check adjustment for function.