To provide an automobile operation managing device for surely transmitting information except luggage information to a driver.

This device is provided with a voice synthesizing device 7 for outputting voice information, and a card user's name, voice information- instructed value, and voice information are stored in a memory card 2. When the memory card 2 is inserted into a card interface 3, the instructed value of the voice information is called, and the voice information corresponding thereto is transmitted to a voice synthesizing device 7, and a message corresponding to the voice information is generated. Thus, at the time of communicating information except luggage information to a driver, a briefing before leaving or the use of a memo pad or automobile radio can be eliminated, and individual information for a card user can be surely transmitted to the card user.