The answer to 'how to test smoke detector' is to test your smoke detectors regularly, typically once a month, to ensure they are working properly. To test a smoke detector, simply press the test button on the unit and wait for the alarm to sound. If the alarm does not sound, you may need to replace the batteries or the entire smoke detector unit.
It's important to test your smoke detectors regularly to ensure they are functioning correctly and can alert you in the event of a fire. Smoke detectors are a critical safety device in your home, so it's essential to keep them well-maintained.