Little maintenance is required for the radios to continue functioning properly. However you should pay attention to the weekly radio test that occurs each Wednesday between 10:00 am and 12:00 pm to ensure that the radio is functioning properly and has a good signal.
Follow the included manufacturer’s instructions on checking the backup battery level and how to change the backup batteries. Change the backup battery at least twice a year, and more frequent if necessary. This is especially important in the event a power failure occurs at your location lasting more than 48 hours.
By following the manufacturer’s instructions, your radio should provide you good service for many years.