How do you reset security on 2001 Pontiac Bonneville?

To reset the security system on a 2001 Pontiac Bonneville, insert the ignition key and turn it to the "On" position (without starting the engine). Leave it in this position for about 10 minutes until the security light turns off. Afterward, turn the key to the "Off" position, wait a few seconds, and then attempt to start the vehicle. If the security system continues to malfunction, consider consulting the owner's manual or a professional mechanic.