Patent ID: 7392194

Claim:
A voice control system for an in-vehicle navigation device, the system including: a voice inputting unit configured to input a speech uttered by a user through voice input; a display unit configured to display a switch for a switch operation; and a controlling unit configured to recognize the inputted speech to thereby execute a function according to a speech content corresponding to the recognized speech, the controlling unit identifying to the user a content of a destination setting that is subsequently executed, and requiring the user to make an instruction for a determination of whether to affirm or negate the destination setting before the destination setting is executed, the instruction for the determination of the destination setting being able to be made by both the switching operation and via the voice input, the controlling unit comprising: a display-controlling unit for displaying, when the user utters the speech, an auxiliary switch that executes an auxiliary function for the voice input manipulation; and an executing unit for executing, when the auxiliary switch is selected, the auxiliary function.