How to Reset anti theft 2004 Cadillac SRX?

To reset the anti-theft system on a 2004 Cadillac SRX, first, ensure that the vehicle is in the "Off" position. Then, insert the key into the ignition 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, then turn the key back to "Off" and start the engine. If the issue persists, it may require professional diagnostics or assistance.