Rain sensor button
Thumbwheel sensitivity/frequency
When the rain sensor is activated, the rain sensor symbol 
is shown in the driver display.
Activating the rain sensor
When activating the rain sensor, the car must be running or the electrical system in ignition position I or II while the windscreen wiper stalk switch must be in position 0 or in the position for a single sweep.
Activate the rain sensor by pressing the rain sensor button 
.
Press the stalk switch down for the wipers to make an extra sweep.
Turn the thumbwheel upward for higher sensitivity and downward for lower sensitivity. An extra sweep is made when the thumbwheel is turned upward.
Deactivating the rain sensor
Deactivate the rain sensor by pressing the rain sensor button or moving the stalk switch up to another wiper program.
The rain sensor is deactivated automatically in ignition position 0 or when the engine is switched off.
The rain sensor is deactivated automatically when wiper blades are set in service position. The rain sensor is reactivated when service position has been deactivated.
Important
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: