11 Mar Change Your Clocks, Change Your Batteries
MACOMB, IL — Daylight Saving Time starts at 2:00am on Sunday, March 12, 2017. Be sure to change the batteries in your smoke and carbon monoxide detectors when you change you clocks.
30 seconds and 9 volts could save your life
http://www.nfpa.org/public-education/by-topic/smoke-alarms/installing-and-maintaining-smoke-alarms