Patent ID: 8368558

Claim:
A parking lot guide system, comprising: an information storage unit which stores parking lot information related to parking lots; an information obtaining unit which obtains, every time a vehicle is parked in a parking lot, the stored parking lot information related to the parking lot where the vehicle is parked; a selection condition setting unit which sets a priority score for each of a plurality of selection conditions for selecting a parking lot based on the obtained parking lot information; a dividing unit, which extracts from the plurality of selection conditions: required conditions that are selection conditions having a ratio of the priority score to the number of times the vehicle has been parked in the parking lot in the past that is equal to or higher than a predetermined value; and recommended conditions that are selection conditions other than the required conditions; a parking lot extracting unit that extracts parking lots that satisfy the required conditions; and a parking lot guide unit that communicates the extracted parking lots based on the recommended conditions.