A control valve is provided, in particular for metering in a fluid for a delivery pump which is arranged downstream. The water shield includes a sheet of a water impervious material configured to be attached to an inboard panel of the door and extend over an access opening in the inboard panel. A first communication of the notification to the mobile device is then attempted via the first technology type. In addition, regulatory function of a target gene can be determined by monitoring the expression of a large number of down-stream genes. The fixing piece includes a resisting piece, two resilient pressing pieces, and an engaging portion. Response times are determined by computing a difference between times that the probe requests are transmitted and times that the corresponding responses are received.