Plug appliance into the correct power source. Turn the hairstyling iron ON by pressing the power button once. Select the desired temperature by using the and buttons. After 5 seconds, the device temperature and timer will be locked in. To unlock the temperature or change the temperature, press the power button once (the lock icon will disappear). After 1 hour of stand-by, the hairstyling iron will shut-off automatically. To turn OFF the iron by pressing the power button once. Do not pull the cord; grasp the plug to unplug the appliance.