Find the correct battery type for your AirTag (CR2032).
Ensure the AirTag is clean and dry.
Press down on the stainless steel battery cover.
Rotate the battery cover counterclockwise until it stops.
Remove the battery cover.
Remove the old battery.
Insert the new CR2032 battery with the positive (+) side facing up.
Reposition the battery cover.
Press down and rotate the cover clockwise until it stops.
Confirm the AirTag is working by checking it in the Find My app.