An engine idle speed control device set a target idle speed NsetN for a non-traveling range is set to a high value to activate the catalytic converter early, after the engine is started. In particular, a multidimensional space is defined, wherein each dimension is capable of providing variable information. The cover is assembled to the base through the door panel. The passageway has a first opening. Additional circuitry is disclosed for utilizing the pilot tone signal to recover left and right channel signal information from the demodulated stereo signals. Said micelles can be used as medicines and vaccines.