128 Health and Safety InformationFollowing Safety GuidelinesNote: Always turn off the phone in health care facilities andrequest permission before using the phone nearmedical equipment.To operate your phone safely and efficiently, always followany special regulations in a given area. Turn your phoneoff in areas where use is forbidden or when it may causeinterference or danger.Using Your Phone Near Other Electronic DevicesMost modern electronic equipment is shielded from radiofrequency (RF) signals. However, RF signals fromwireless phones may affect inadequately shieldedelectronic equipment.RF signals may affect improperly installed orinadequately shielded electronic operating systems and/or entertainment systems in motor vehicles. Check withthe manufacturer or their representative to determine ifthese systems are adequately shielded from external RFsignals. Also check with the manufacturer regarding anyequipment that has been added to your vehicle.Consult the manufacturer of any personal medicaldevices, such as pacemakers and hearing aids, todetermine if they are adequately shielded from externalRF signals.