63• Should use the ear opposite the pacemaker to minimize the potentialfor interference.• If you have any reason to suspect that interference is taking place,switch off your phone immediately.Hearing aidsSome digital wireless phones may interfere with hearing aids. In theevent of such interference, consult your wireless provider.Other medical devicesOperation of any radio transmitting equipment, including cellularphones, may interfere with the functionality of inadequately protectedmedical devices. Consult a physician or the manufacturer of the medicaldevice to determine if they are adequately shielded from external RFenergy or if you have any questions.Switch off your phone in health care facilities when any regulationsposted in these areas instruct you to do so. Hospitals or health carefacilities may be using equipment that could be sensitive to external RFenergy.■ VehiclesRF signals may affect improperly installed or inadequately shieldedelectronic systems in motor vehicles (for example, electronic fuelinjection systems, electronic antiskid/antilock braking systems,electronic speed control systems, air bag systems). Check with themanufacturer or its representative regarding your vehicle. You shouldalso consult the manufacturer of any equipment that has been added toyour vehicle.■ Posted facilitiesSwitch your phone off in any facility where posted notices so require.■ Potentially explosive atmospheresSwitch off your phone 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 even death.Users are advised to switch off the phone when at a refueling point