I can not get my security to go off even after disconnecting battery. Saturn 2000 L series.
It sounds like the security system locked up and would need to be scanned for trouble codes at the qualified GM dealer.
There may be trouble codes stored in the body computer which would direct the mechanic to the troubled area.
Sometimes the body computer may have to be reprogrammed and may even have to be replaced. That would all be determined when the mechanic scans the computer to determine the severity of the problem.