Using the Dyson Airblade dB AB14 - G hand dryer is super easy. Just place your hands under the dryer, and the infrared sensors will detect them right away and start the drying process. It'll dry your hands in just 12 seconds. For best results, keep your hands centered under the dryer. When it comes to maintenance, make sure to clean the exterior of the dryer regularly with a soft, dry cloth. Also, remember to replace the HEPA filter as recommended by Dyson to keep the air clean. As for safety, always make sure the dryer is properly installed and connected to a grounded outlet. Avoid using any sharp objects near the dryer to prevent damage. And that's all you need to know to make the most out of your Dyson hand dryer.