The document outlines 7 steps to replace an alarm system battery: 1) Call the monitoring station to put the system on test, 2) Open the control panel door using the key, 3) Remove the battery leads and hold them apart, 4) Remove and recycle the old battery, 5) Attach the new battery leads, 6) Acknowledge the tamper alarm and call to remove the system from test, 7) Monitor for low battery messages and call for support if needed.