My car is a 1996 chevy lumina
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1996 Chevrolet Lumina Question: My security light on my car wont start what to do
milesauto from Miles Auto Service Inc., September 30, 2013, 05:28Master
You did not say if the car will start or not. Assuming you have a no start condition along with a security lamp, the problem typically requires the replacement of the ignition lock cylinder and keys. If you have another ignition key you want to try it first.
Answer #2Greg's Orange Auto (12184 Answers) , Orange, CA - (714) 361-9386globalhelper September 30, 2013, 06:09Master
poss bad key module. agree with #1