[. . . ] - Water may leak from the socket at the bottom of the shaver when you rinse it. And not dangerous because all electronics are enclosed in a sealed power unit inside the shaver. Do not use the shaver, adapter or charging stand (AT940 only) if it is damaged, as this may cause injury. Always replace a damaged adapter or charging stand with one of the original type. [. . . ] Use the shaver with shaving gel or foam for extra skin comfort, or use the shaver dry for extra convenience. Note:We advise you to use the shaver with shaving gel or foam when you use it for a wet shave. - Your skin may need 2 or 3 weeks to get accustomed to the Philips shaving system. 3 Rinse the shaving unit under the tap to ensure that the shaving unit glides smoothly over your skin. Note: Rinse the shaver under the tap regularly to ensure that it continues to glide smoothly over your skin. 6 After shaving, press the on/off button once to switch off the shaver and dry your face. 3 After shaving, press the on/off button once to switch off the shaver. Trimming (AT940/AT893/AT890 only) You can use the trimmer to groom your sideburns and moustache. 3 After trimming, press the on/off button once to switch off the shaver. - For the best cleaning results, we advise you to use the Philips Cleaning spray (HQ110). Always check if the water is not too hot, to prevent your hands from getting burnt. Note:Water may leak from the socket at the bottom of the shaver when you rinse it. This is normal and not dangerous because all electronics are enclosed in a sealed power unit inside the shaver. 3 Rinse the shaving unit and hair chamber under a hot tap for 30 seconds. Always check if the water is not too hot, to prevent your hands from getting burnt. Be careful not to hit the shaving unit against anything while shaking off excess water. Never dry the shaving unit and the hair chamber with a towel or tissue, as this may damage the shaving unit. 5 Open the shaving unit again and leave it open to let the shaver dry completely. Cleaning the shaving unit with the cleaning brush 1 Switch off the shaver. Note: Do not clean more than one cutter and guard at a time, since they are all matching sets. [. . . ] If you have trouble removing the battery, you can also take the appliance to a Philips service centre. The staff of this centre will remove the battery for you and will dispose of it in an environmentally safe way. removing the rechargeable shaver battery Only remove the rechargeable battery when you discard the shaver. Make sure the rechargeable battery is completely empty when you remove it. [. . . ]