A method of determining an engagement position of a clutch of a vehicle is provided. A method and a computer program product are provided. The clutch actuators control the clutch mechanism and are positioned outside the clutch mechanism, viewed from the crankshaft direction. A first controller provides a control signal to the first leg based upon a voltage between a first system output and a second system output and a first current provided to the first system output. The present invention enables to transmit various types of multimedia message without being limited by the specification of the receiving mobile station. The conductive organic material is preferably chemically adsorbed on the surface of the semi-conductive phosphor fine article.