How do you disable anti theft system on 2001 Chevy cavalier?

To disable the anti-theft system on a 2001 Chevy Cavalier, you can try using the key fob to unlock the doors or insert the key into the ignition and turn it to the "On" position for about 10 minutes to reset the system. If this doesn't work, check the vehicle's manual for specific instructions or consider disconnecting the battery for a few minutes to reset the system. However, it's advisable to consult a professional or a mechanic for proper assistance.