Portable tools for use as vehicle security devices

A transportation vehicle accessible via a plurality of portable wireless tokens configured to be carried by a user, wherein at least one of the portable wireless tokens is integrated with a portable object having a non-vehicular function, the transportation vehicle comprising:

• a wireless transceiver adapted to communicate with the portable wireless tokens;
• an actuator configured to perform a vehicle function when the user triggers a request for a vehicle access while possessing the one portable wireless token integrated with the portable object having the non-vehicular function;
• a memory storing respective stored attributes for at least some of the plurality of portable wireless tokens including the one portable wireless token integrated with the portable object, wherein the stored attributes for the one portable wireless token integrated with the portable object include a limitation regarding the vehicle access associated with the request in which the vehicle access is granted only when the wireless transceiver detects presence of another one of the portable wireless tokens;
• and
• a controller configured to (1) retrieve stored attributes for the one portable wireless token when the user triggers the request, (2) check for the presence of the another one of the portable wireless tokens, and (3) enable the vehicle access to the user when the another one of the portable wireless tokens is detected.

A method of controlling access to functions of a transportation vehicle, comprising the steps of:

• a user triggering an access request by interacting with the transportation vehicle while carrying a first portable wireless token;
• retrieving stored attributes for the first portable wireless token from a memory storing respective stored attributes for a plurality of portable wireless tokens, wherein at least one of the portable wireless tokens is integrated with a portable object having a non-vehicular function;
• when the retrieved attributes for the first portable wireless token identify the one of the portable wireless tokens integrated with the portable object, then checking for the presence of the one of the portable wireless tokens integrated with the portable object using a wireless transceiver;
• and
• when the one of the portable wireless tokens integrated with the portable object is not detected, then transmitting a message to the user indicating that the one of the portable wireless tokens integrated with the portable object is not present in the transportation vehicle.