1. plug the spin n curl into the correct power supply 2. the spin n curler display is turnred ON and OFF by pushing the Power button on the handle , the display will light up to show that the appliance on After 1 hour of stand -by , the iron will shut off automatically 4. The temperature will blink 4 times , indicating the curler temperature is set To unlock the temperature or change the temperature , pree the power button once (the lock iron will disappear )and press the(M)button twice ..syi