Vehicular assistance device, program product, and assistance information reception method

A vehicular assistance device equipped to a vehicle, wherein the vehicular assistance device performs a wireless communication with a facility-side device that transmits assistance information useful to a user and the vehicular assistance device receives the assistance information from the facility-side device, the vehicular assistance device comprising:

• a facility ID reception portion receiving a facility ID from the facility-side device, the facility ID being used for identifying a facility to which the facility-side device is installed;
• an area information acquisition portion acquiring area information related to a position of the facility;
• a position information acquisition portion acquiring position information of the vehicle;
• a determination portion, when the facility ID reception portion receives the facility ID from the facility-side device, determining whether the received facility ID is valid or not based on the position information of the vehicle and the area information that is related to the position of the facility corresponding to the received facility ID;
• and
• a user ID transmission portion, under a condition that the determination portion determines that the received facility ID is valid, transmitting, to the facility-side device, a user ID as a request for transmitting the assistance information, the user ID being used for identifying the user.