Abstract
The operation while using car navigation system has many opinions that it is dangerous, in order to see a display. In order to create the voice guide to which all the members can arrive at the destination rightly, only by voice guidance realizable with the data base of the present car navigation system, I create the voice guide which carries out the count down of the distance to a right and left chip-box part, and examined the effect by experiment I consider the result, created an improvement proposal, and inquired by experiment, and it was effective.