Health and Safety Information 93Other Medical DevicesIf you use any other personal medical devices, consult themanufacturer of your device to determine if it is adequately shieldedfrom external RF energy. Your physician may be able to assist you inobtaining this information. Switch your phone off in health carefacilities when any regulations posted in these areas instruct you todo so. Hospitals or health care facilities may be using equipment thatcould be sensitive to external RF energy.VehiclesRF signals may affect improperly installed or inadequately shieldedelectronic systems in motor vehicles. Check with the manufacturer orits representative regarding your vehicle. You should also consult themanufacturer of any equipment that has been added to your vehicle.Posted FacilitiesSwitch your phone off in any facility where posted notices require youto do so.Potentially Explosive EnvironmentsSwitch your phone off when in any area with a potentially explosiveatmosphere and obey all signs and instructions. Sparks in such areascould cause an explosion or fire resulting in bodily injury or evendeath.Users are advised to switch the phone off while at a refueling point(service station). Users are reminded of the need to observerestrictions on the use of radio equipment in fuel depots (fuel storage