Hold down system and auto with two fingers on your display. Thermostats allow for a change of the lock settings, for either partial or full restricted access to settings. Honeywell Z-wave 7-day Touchscreen Thermostat With Wiresaver-th8320zw - The Home Depot Programmable Thermostat Honeywell Zwave Mount the junction box adapter to the wall or an electrical box using any of the eight screw holes. How to open honeywell pro series thermostat . Or when you need to cover paint gap from old thermostat. Enter your password by pressing the + or button on the thermostat to change the number used to enter the password. Repeat these steps until 1234 is displayed on the screen. To unlock a touchscreen honeywell thermostat, it’s best to follow the instructions in your owner’s manual. Amazing you found your way here to ask the question, yet failed to do a simple google search (which is where the following came from) 1) from the locked home screen, press the center button. Align the uwp w...