You have a factory security system I posted a description of how it works.
June, 10, 2012 AT 3:37 AM
Thank you. What do I need to do now? Purchase another key? My spare key that I've never used since I got the car 5 years ago didn't help. The light was still on. Am I not going to be able to start my car eventually?
June, 10, 2012 AT 4:10 AM
The most common reason is the wire going to the ignition cylinder breaking.
June, 10, 2012 AT 4:17 AM
I posted trouble shooting for your issue let me know what you find.