Method for authenticating a spare key for using a vehicle

Details Method for authenticating a spare key for using a vehicle Method for authenticating a spare key for using a vehicle

2005-01-25

2005-01-25

Vu, Kim (Department: 2135)

Communications: electrical

Selective

Intelligence comparison for controlling

C340S005260, C340S005720, C340S005210, C340S425500, C380S262000, C713S168000, C713S155000

Reexamination Certificate

active

06847286

ABSTRACT:
In a method for authenticating a spare key for use with a vehicle in the absence of the regular key, the spare key is provided with an identification number that is transmitted to, and checked by, a central station. The spare key is authenticated by an authorization signal sent from the central station to the vehicle.

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