NEFF glass ceramic cooktops are built-in electric cooktops. They work with electric heating elements located under a plate made of glass ceramic. Do you have children in the house? Activate the child safety lock, which prevents the cooktop from being switched on unintentionally. The TwistPad offers an intuitive way to control the appliance. You can activate this dial by briefly tapping it with your finger. Then you set the right temperature simply by turning the dial. And since the TwistPad is magnetic, you can easily remove it when cleaning the cooktop.