2. Find the test/hush button on your smoke alarm. Climb up and take a close look at your smoke detector. You should see a manual button that's often labeled "Test" or "Hush" (or both).

If that doesn’t work, take the smoke alarm down and, if you can, remove the batteries. If the unit has a built-in lithium battery, it’s more of a challenge because you can’t remove the battery.

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2. Find the test/hush button on your smoke alarm. Climb up and take a close look at your smoke detector. You should see a manual button that's often labeled "Test" or "Hush" (or both).