● Always keep the wireless device more than 15.3centimetres (6 inch) from the medical devicewhen the wireless device is turned on.● Not carry the wireless device in a breast pocket.● Hold the wireless device to the ear opposite themedical device to minimise the potential forinterference.● Turn the wireless device off immediately if thereis any reason to suspect that interference istaking place.● Read and follow the directions from themanufacturer of their implanted medical device.If you have any questions about using your wirelessdevice with an implanted medical device, consultyour health care provider.Hearing aidsSome digital wireless devices may interfere withsome hearing aids. If interference occurs, consultyour service provider.VehiclesRF signals may affect improperly installed orinadequately shielded electronic systems in motorvehicles such as electronic fuel injection systems,electronic antiskid (antilock) braking systems,electronic speed control systems, and air bagsystems. For more information, check with themanufacturer, or its representative, of your vehicleor any equipment that has been added.Only qualified personnel should service the deviceor install the device in a vehicle. Faulty installationor service may be dangerous and may invalidate anywarranty that may apply to the device. Checkregularly that all wireless device equipment in yourvehicle is mounted and operating properly. Do notstore or carry flammable liquids, gases, or explosivematerials in the same compartment as the device,its parts, or enhancements. For vehicles equippedwith an air bag, remember that air bags inflate withgreat force. Do not place objects, including installedor portable wireless equipment in the area over theair bag or in the air bag deployment area. If in-vehicle wireless equipment is improperly installedand the air bag inflates, serious injury could result.Using your device while flying in aircraft isprohibited. Switch off your device before boardingan aircraft. The use of wireless teledevices in anaircraft may be dangerous to the operation of theaircraft, disrupt the wireless telephone network,and may be illegal.186 Additional safety information