107Health and safety informationPacemakersPacemaker manufacturers recommend thata minimum distance of 15 cm (6 inches) bemaintained between a wireless phone and apacemaker to avoid potential interferencewith the pacemaker. Theserecommendations are consistent with theindependent research and recommendationsof Wireless Technology Research. If youhave any reason to suspect that interferenceis taking place, switch off your phoneimmediately.Hearing aidsSome digital wireless phones may interferewith some hearing aids. In the event of suchinterference, you may wish to consult yourhearing aid manufacturer to discussalternatives.Other medical devicesIf you use any other personal medicaldevices, consult the manufacturer of yourdevice to determine if it is adequatelyshielded from external RF energy.Your physician may be able to assist you inobtaining this information.Switch off your phone in health care facilitieswhen regulations posted in these areasinstruct you to do so.VehiclesRF signals may affect improperly installed orinadequately shielded electronic systems inmotor vehicles. Check with themanufacturer or its representative regardingyour vehicle.You should also consult the manufacturer ofany equipment that has been added to yourvehicle.Posted facilitiesSwitch off your phone in any facility whereposted notices require you to do so.