N-methylol-containing organosiloxane polymers further containing at least one Si-bonded N-hydrocarbyl-N–hydrocarbyl group are storage stable and retain their ability to post-crosslink, and display excellent permanence on many substrates. Even in case where light rays coming from the outside enter in front of the vertical angle portion 5 of the prism 4 and are going to cross in front of the prism 4, the light rays can be prevented by the light shield portion 3a. The electronic communication is defined such that synchronous positioning of the steering input device actuator and the steerable device actuator can be effectuated by the system upon startup of the vehicle. Each tier can be associated with a range of ILM statistics referred to as the bucket for that tier. The compensation element is filled with a rheological liquid. An RS-485 cable from the controller and pulled through the building along with other data cables is connected to the RS-485 connectors at the back of the patch panel.