[header] How to light a pilot light [title] Set your thermostat on your furnace to the lowest setting and turn off all electronic power to it. [title] Remove the front panel to reach the main gas valve. [title] Turn the external gas knob clockwise to the " off " position. 
[step] Alternately you can use the toggle switch next to the main valve to switch to " off. " [title] Allow 5-10 minutes for remaining gas to vent.