avoid potential interference with the medical device.Persons who have such devices should:● Always keep the wireless device more than 15.3centimetres (6 inches) from the medical device.● Not carry the wireless device in a breast pocket.● Hold the wireless device to the ear opposite themedical device.● Turn the wireless device off if there is any reason tosuspect that interference is taking place.● Follow the manufacturer directions for the implantedmedical device.If you have any questions about using your wirelessdevice with an implanted medical device, consult yourhealth care provider.Hearing aidsSome digital wireless devices may interfere with somehearing aids.VehiclesRF signals may affect improperly installed or inadequatelyshielded electronic systems in motor vehicles such aselectronic fuel injection, electronic antilock braking,electronic speed control, and air bag systems. For moreinformation, check with the manufacturer of your vehicleor its equipment.Only qualified personnel should service the device orinstall the device in a vehicle. Faulty installation or servicemay be dangerous and may invalidate your warranty.Check regularly that all wireless device equipment in yourvehicle is mounted and operating properly. Do not storeor carry flammable liquids, gases, or explosive materialsin the same compartment as the device, its parts, oraccessories. Remember that air bags inflate with greatforce. Do not place your device or accessories in the airbag deployment area.Switch off your device before boarding an aircraft. The useof wireless teledevices in an aircraft may be dangerous tothe operation of the aircraft and may be illegal.Potentially explosiveenvironmentsSwitch off your device in any area with a potentiallyexplosive atmosphere. Obey all posted instructions.Sparks in such areas could cause an explosion or fireresulting in bodily injury or death. Switch off the deviceat refuelling points such as near gas pumps at servicestations. Observe restrictions in fuel depots, storage, anddistribution areas; chemical plants; or where blastingoperations are in progress. Areas with a potentiallyexplosive atmosphere are often, but not always, clearlymarked. They include areas where you would be advisedto turn off your vehicle engine, below deck on boats,chemical transfer or storage facilities and where the aircontains chemicals or particles such as grain, dust, ormetal powders. You should check with the manufacturersof vehicles using liquefied petroleum gas (such as propaneAdditional safety information© 2009 Nokia. All rights reserved. 111