Patent ID: 8299894

Claim:
A method for using a vehicle unlocking system to unlock entry to a vehicle, comprising the steps of: using at least one controller to control said vehicle unlocking system; using a housing to house said at least one digital controller, wherein said at least one housing comprises at least one attacher, said attacher mechanically configured to attach said at least one housing to the vehicle; and coupling said at least one digital controller to the vehicle using a coupler of said unlocking system, wherein said at least one digital controller comprises at least one computer configured to: (1) recognize at least one sequence of acoustic signals, (2) generate at least one digital control signal on recognition of the acoustic signals, and (3) transmit the at least one digital control signal to the vehicle unlocking system using said coupler, and wherein the at least one digital control signal is configured to assist unlocking of the vehicle, and wherein the sequence of acoustic signals comprises at least a four-digit alpha numeric code adapted to identify a specific digital controller.