A system and method for managing technical services within a mobile vehicle communications system. The auxiliary voltage step-up circuit is ON when the main step-up voltage circuit is OFF, and compensates a potential change in the smoothing capacitor. The foot brake can be configured to apply a braking force to the rear wheel when the foot brake is pressed down. An automatic control system that controls electrical power to the electrically driven hold-down spring system enables the wind turbine shaft to be automatically loaded or unloaded to the generator shaft based on the incoming wind speed measurement as determined by a wind speed measuring system mounted to the rotating duct system and connected to the automatic control system. If the dialed digit string is valid, then a number is retrieved that corresponds to the dialed digit string according to the calling party’s personal dialing plan.