See also:

Windshield washer nozzles
The washer jets are automatically heated* whenever the ignition is switched on. ...

Intermittent operation or rain sensor
The concept The rain sensor automatically controls the time between wipes depending on the intensity of the rainfall. The sensor is located on the windshield, directly behind the interior rearview ...

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...