A d d i t i o n a l s a f e t y i n f o r m a t i o n• Hold the wireless device to the ear opposite the medicaldevice to minimize the potential for interference.• Turn the wireless device off immediately if there is anyreason to suspect that interference is taking place.• Read and follow the directions from the manufacturer oftheir implanted medical device.If you have any questions about using your wireless devicewith an implanted medical device, consult your health careprovider.Hearing aids Some digital wireless devices may interferewith some hearing aids. If interference occurs, consult yourservice provider.VehiclesRF signals may affect improperly installed or inadequatelyshielded electronic systems in motor vehicles such aselectronic fuel injection systems, electronic antiskid (antilock)For vehicles equipped with an air bag, remember that air bagsinflate with great force. Do not place objects, includinginstalled or portable wireless equipment in the area over theair bag or in the air bag deployment area. If in-vehicle wirelessequipment is improperly installed and the air bag inflates,serious injury could result.Using your device while flying in aircraft is prohibited. Switchoff your device before boarding an aircraft. The use of wirelessteledevices in an aircraft may be dangerous to the operationof the aircraft, disrupt the wireless telephone network, andmay be illegal.Potentially explosive environmentsSwitch off your device when in any area with a potentiallyexplosive atmosphere, and obey all signs and instructions.Potentially explosive atmospheres include areas where youwould normally be advised to turn off your vehicle engine.Sparks in such areas could cause an explosion or fire resulting