129Hearing aidsSome digital wireless phones may interfere with some hearing aids. In theevent of such interference, you may want to consult your service provider (orcall the customer service line to discuss alternatives.) Optional for eachphone manufacturer.Other medical devicesIf you use any other personal medical device, consult the manufacturer of yourdevice to determine if they are adequately shielded from external RF energy.Your physician may be able to assist you in obtaining this information.Turn your phone OFF in health care facilities when any regulations posted inthese areas instruct you to do so. Hospitals or health care facilities may beusing equipment that could be sensitive to external RF energy.VehiclesRF signals may affect improperly installed or inadequately shielded electronicsystems in motor vehicles. Check with the manufacturer or its representativeregarding your vehicle. You should also consult the manufacturer of anyequipment that has been added to your vehicle.Posted facilitiesTurn your phone OFF in any facility where posted notices so require.AircraftFCC regulations prohibit using your phone while in the air. Switch OFF yourphone before boarding an aircraft.
