How do electronic keys work?

Subject: How do electronic keys work?

Date: Thu May 13 11:25:02 1999
Posted by Charles R. McMurray
Grade level: grad (science) School: Florida Atlantic University
City: Boynton Beach State/Province: Florida Country: USA
Area of science: Engineering
ID: 926612702.Eg

Message:


Current GM cars have a small chip embedded in the car key. This 
chip provides a extra electronic key that supplements the 
physical key. I believe it works thru RF... do you know exactly 
how it works or where I can find more information?

Re: How do electronic keys work?

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