Some have a solid scheduled routine of checking their smoke alarms on a certain day of the year and that's a good thing. But fires can happen any time of the year and batteries aren't guaranteed to last a full year. Please, I say it again - please - check your alarms more often. Today, would be good! Take five minutes to check them - your life may depend on them. And if getting up there to check your smoke detector is difficult, get creative. A group of seniors in Ontario did just that, with old discarded pool cues.
Learn more about smoke detectors.
How to install a smoke alarm - video.