crwdns2935425:02crwdne2935425:0
crwdns2931653:02crwdne2931653:0
-
Open the battery compartment in the back of the smoke detector.
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0