replace battery warning not resetting

I changed batteries in two of my door sensors.  The low battery warning does not clear.  On the  base station, the battery reports as good but still the notification will not clear.  I changed another one a week or so ago and it never acted this way.

How do I reset the warning.  The only questions I find here have Xfinity folks telling people to DM them.

I have rebooted the system but still no joy.  The only answer I have found says to leave the battery out for 5 minutes and then replace which seem like a problem with the system itself.