Left front power window switch group, function - GF72.29-P-4112-02S
Model 220
Function
The switch positions for the power window switches (S20/1s1, S20/1s2, S20/1s3, S20/1s4) are voltage-coded by resistors in the left front power window switch group (S20/1) . The coded voltage is read in by the left front door control module (N69/1) .
The switches have five mechanical positions:
| Center position | neutral |
| First catch (up) | manual UP |
| Second catch (up) | automatic UP |
| First catch (down) | manual DOWN |
| Second catch (down) | automatic DOWN |