[. . . ] -- Children should be supervised to ensure that they do not play with the appliance. Do not let the mains cord hang over the edge of the table or worktop on which the appliance stands. -- Keep the mains cord, the base and the kettle away from hot surfaces. If the kettle has been  overfilled, boiling water may be ejected from the spout and cause scalding. [. . . ] Be careful when you open the lid immediately after the water has boiled: the steam that comes out of the kettle is very hot. -----Caution Do not touch the body of the kettle during and some time after use, as it gets very hot. Always place the base and the kettle on a dry, flat and stable surface. €¯Do not use it to heat up soup or other liquids or jarred, bottled or tinned food. Always make sure the water in the kettle at least covers the bottom of the kettle to prevent the kettle from boiling dry. Depending on the hardness of the water in your area, small spots may appear on the heating element of your kettle when you use it. This phenomenon is the result of scale build-up on the heating element and on the inside of the kettle over time. Although scale is harmless, too much scale can influence the performance of your kettle. Descale your kettle regularly by following the instructions given in the chapter ‘Descaling’. Note:You can also leave the filter in the kettle when you descale the whole appliance (see section ‘Descaling the kettle’ in this chapter). Note:You can also take the filter out of the kettle and clean it in the dishwasher. Descaling the kettle Regular descaling prolongs the life of the kettle. In case of normal use (up to 5 times a day), the following descaling frequency is recommended: -- Once every 3 months if you use soft water (up to 18dH). 1 Fill the kettle with water up to three-quarters of the maximum level and bring the water to the boil. 2 After the kettle has switched off, add white vinegar (8% acetic acid) to 3 Leave the solution in the kettle overnight. -- Boil-dry protection This kettle is equipped with boil-dry protection. This device automatically switches off the kettle if it is accidentally switched on when there is no water or not enough water in it. the on/off switch stays in ‘on’ position. [. . . ] This device automatically switches off the kettle if it is accidentally switched on when there is no water or not enough water in it. the on/off switch stays in ‘on’ position. Set the on/off switch to ‘off ’ and let the kettle cool down for 10 minutes. Replacement If the kettle, the base or the mains cord of the appliance is damaged, take the base or the kettle to a service centre authorised by Philips for repair or replacement of the cord to avoid a hazard. [. . . ]