Using this hand dryer is a breeze. Just place your hands under the sensor area, and it will start working right away. You can customize the air speed and temperature settings to your preference. If you don't want the heat, simply turn off the heating option. When you're done drying your hands, remove them from the sensor zone, and the dryer will stop after a short while. For maintenance, keep the exterior clean with a soft cloth. Avoid using abrasive cleaners as they might damage the satin finish of the stainless - steel cover. Check the power supply regularly to ensure it's stable. That's all you need to know to keep this hand dryer running smoothly.