Follow the instruction on the front. If no instructions present on the furnace, most models use the steps found below:
- Make sure the gas is on and the temp knob is all the way down
- Turn the pilot knob to pilot
- Push pilot knob down
- Click ignitor (or use lighter) to light pilot light.
- Once on hold pilot down for 30 seconds
- Turn the knob to on position
- Turn the temp knob up on thermostat and flames/furnace should kick on.