Using the rain sensor
Rain sensor button
Thumb wheel, sensitivity/interval wiper speed
When the rain sensor is activated, the 
rain sensor symbol will be displayed in the instrument panel.
The rain sensor is automatically off or on when the vehicle starts depending on the rain sensor position when the vehicle is switched off.
Activating the rain sensor
When the rain sensor is activated, the windshield wipers must be in 0 position or in the single sweep position.
Activate the rain sensor by pressing the rain sensor button 
.
Move the lever downward for an extra wiper sweep.
Turn the thumb wheel upward for increased sensitivity and downward for decreased sensitivity. The wipers will make one extra sweep when the thumb wheel is turned upward.
Deactivate the rain sensor
Deactivate the rain sensor by pressing the rain sensor button or moving the lever upward to another wiper mode.
The rain sensor is automatically deactivated when the vehicle is switched off.
The rain sensor is also automatically deactivated when the wiper blades are put in the service position. The rain sensor will reactivate when service mode is switched off.