If people sleep with doors closed, install smoke alarms inside sleeping areas, too. Use the test button to check each smoke alarm once a month. When necessary, replace batteries immediately. Replace all batteries at least once a year. Vacuum away cobwebs and dust from your smoke alarms monthly.
Smoke alarms become less sensitive over time.
Replace your smoke alarms every ten years. Out of date medicines can be ineffective or dangerous. Safety closures save lives. Safety latches for kitchen, bathroom, and workshop cabinets can help keep household chemicals and medicines locked up away from children. Be sure to check any chemicals in storage sheds, basements, in the garage or in any storage area.