Miele Knock2Open Dishwashers Miele offers a range of innovative dishwashers which feature exclusive Knock2Open technology that provide the perfect solution for handleless kitchen designs. The clever dishwasher opens automatically after being lightly tapped twice - extraneous noises from the area surrounding the dishwasher are identified as such and are promptly ignored by the machine. Other benefits also include a QuickPowerWash programme that cleans and dries crockery in just 58 minutes and a new EcoTech heat storage system for fantastic energy performance.