A user aboard a vehicle having installed therein an on-vehicle apparatus
originates a call to an information center to indicate the specific type
of information the user wishes to receive by following audio guidance
provided by an interactive voice response device installed at the
information center. The information center prepares the information
desired by the user and transmits the information to the on-vehicle
apparatus. In this vehicle information providing method, the contents of
the audio guidance provided by the interactive voice response device are
edited for each user based upon information pre-registered by the user.