| 摘要 |
PROBLEM TO BE SOLVED: To provide a navigation device that can warn a user in stopping or starting up a vehicle on a slope.SOLUTION: A navigation device detects a current speed to determine the stop state with a stop determination unit 102, determines whether it is a slope from an inclination of a vehicle with an inclination determination unit 101, determines whether to give a warning according to the stop determination result and inclination determination result with a warning determination unit 103, and warns a user about the possibilities of moving forwards or backwards with a warning unit 104. |
