How To Change Thermostat Battery Vivint. You will need one cr2032 battery and a coin such as a penny to change the battery in your sensor. Attach the thermostat to the wall with the screws provided.
Go to your thermostat and remove bottom panel from the front of your thermostat. Simple test, change the batteries for new fresh ones. To remove the cover, push the two tabs on top and pull the cover out and down.
Remove the old batteries and replace with four aa batteries.
Thermostat with your thumb and forefinger and pull the thermostat from its seat. If your panel has a screw on the top, remove it with a crosshead screwdriver so that you can remove the panel cover. Remove the old batteries and replace with four aa batteries. At the home screen, press devices.