How do you reset a 1998 Chevy Cavalier alarm?

To reset the alarm on a 1998 Chevy Cavalier, first, ensure the vehicle is unlocked. Insert the key into the ignition and turn it to the "On" position without starting the engine. Then, press and hold the "Unlock" button on the driver's side door for approximately 30 seconds. This should reset the alarm system. If the alarm continues to trigger, you may need to consult the owner's manual or a professional for further assistance.