Using the rain sensor's memory function
The rain sensor automatically starts the windscreen wipers based on how much water it detects on the windscreen.
Activating/deactivating the memory function
The memory function for the rain sensor can be activated in such a way that the rain sensor button does not need to be depressed each time the car is started:
Press Settings in the top view in the centre display.
Select Rain Sensor Memory to activate/deactivate the memory function.