Abstract: A system and method for controlling onboard equipments, which can make a driver certainly understand operations of alarms corresponding to various functions of a vehicle, and which can make the functions of the vehicle give full effects. When drive guide data corresponding to a set vehicle condition and simulated vehicle condition data concerning the set vehicle condition are stored in a memory (700), and a navigation device (400) plays the drive guide data stored in the memory (700), a system control unit (100) makes a vehicle condition advise unit (200) warn a driver of the set vehicle condition by a simulation on the basis of the simulated vehicle condition data. Accordingly, the driver can know an alarm operation of the vehicle condition advise unit corresponding to the set vehicle condition by the simulation.

Abstract: When vehicle behavior control systems such as VDC, TCS, ABS and the like are operative, a front-rear power distribution control apparatus for a four wheel drive vehicle can have an excellent convergence characteristic in vehicle behavior control by choosing a transfer clutch torque from a region of a predetermined table in which the power distribution control does not interfere with the behavior control of the vehicle behavior control system and by establishing the transfer clutch torque to a larger value with an increase of transfer input torque. When the vehicle is in an understeer or oversteer tendency, the convergence of vehicle behavior is further enhanced by correcting the transfer clutch torque in an increasing or decreasing direction.

Abstract: A system and method for controlling onboard equipments, which can make a driver certainly understand operations of alarms corresponding to various functions of a vehicle, and which can make the functions of the vehicle give full effects. When drive guide data corresponding to a set vehicle condition and simulated vehicle condition data concerning the set vehicle condition are stored in a memory (700), and a navigation device (400) plays the drive guide data stored in the memory (700), a system control unit (100) makes a vehicle condition advise unit (200) warn a driver of the set vehicle condition by a simulation on the basis of the simulated vehicle condition data. Accordingly, the driver can know an alarm operation of the vehicle condition advise unit corresponding to the set vehicle condition by the simulation.

Abstract: A correction factor setting unit sets correction factors for a front-rear traction distribution control unit, an anti-lock brake control unit, a traction control unit, and a braking power control unit according to the situation of a road and the shape thereof which are inputted from a road information recognizing unit. At this time, the correction factors are preset values according to the situation of the road and the shape thereof so that the actions of the control units will be balanced with each other. Consequently, the plurality of vehicle behavior control units mounted in a vehicle act efficiently according to the situation of the road, on which the vehicle is driven forwards, and the shape thereof while quickly responding to the situation of the road and the shape thereof. Besides, the actions of the vehicle behavior control units are balanced with one another.

Abstract: A correction factor setting unit sets correction factors for a front-rear traction distribution control unit, an anti-lock brake control unit, a traction control unit, and a braking power control unit according to the situation of a road and the shape thereof which are inputted from a road information recognizing unit. At this time, the correction factors are preset values according to the situation of the road and the shape thereof so that the actions of the control units will be balanced with each other. Consequently, the plurality of vehicle behavior control units mounted in a vehicle act efficiently according to the situation of the road, on which the vehicle is driven forwards, and the shape thereof while quickly responding to the situation of the road and the shape thereof. Besides, the actions of the vehicle behavior control units are balanced with one another.