Kevo will notify you when the batteries are low via your Kevo app and by the Status LED flashing red. The Kevo will also display two red lights at the top of the light ring when you lock or unlock it.
TO CHANGE THE BATTERIES:
1. Remove the battery cover.
2. Pull the battery pack out of the lock.
3. Remove the old batteries and replace them with new ones, take care to orient them properly. Do not use a combination of old and new batteries.
4. Put the battery pack back in the lock, making sure the word "DOOR" on the pack is at the top with the arrows pointing toward the door. Reinstall the battery cover.