How do you get security light to go off on my 1994 oldsmoblile 88 Royale?

To turn off the security light on your 1994 Oldsmobile 88 Royale, try resetting the system by disconnecting the battery for about 10-15 minutes. After reconnecting, ensure that your key is in the "On" position without starting the engine. If the light remains on, you may need to check the vehicle’s security system for any malfunctions or consult your owner's manual for specific reset procedures. If the problem persists, visiting a professional mechanic may be necessary.