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Vehicle immobiliser/alarm

  • US 20050012590A1
  • Filed: 08/16/2004
  • Published: 01/20/2005
  • Est. Priority Date: 09/16/2002
  • Status: Active Grant
First Claim
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1. A vehicle security system including a vehicle security device arranged to exert control over operation of the vehicle in response to a coded key, said coded key and said security device communicating using a data string of a predetermined format, wherein said security device has a supervisor access level responsive to supervisor coded keys and a user access level responsive to user coded keys, wherein said security device is programmable to be responsive to one or more said supervisor coded keys and/or one or more said user coded keys, or one or more of said user coded keys only.

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