When it is time to replace the battery in your door/window sensor, you will see an alert on your system panel.
The 2GIG-DW10E-345 door/window sensor requires 2 CR2032 lithium batteries, which can be purchased at your local hardware, mass retailer, or battery store.
GoControl GC2—Clear Alert Instructions:
1. Enter your user code to silence the alarm, then press the bottom right Alarm Icon.
2. Press to check Clear Alarm History, then press OK to clear and exit.
GC3—Clear Alert Instructions:
1. Press the Message icon at top, then press Alerts to view trouble.
2. Press or the Home button to exit.