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 n60 Copyright © 2006 Nokia. All rights reserved.potential for interference, persons withpacemakers should• Always keep the device more than6 inches (15.3 centimeter) fromtheir pacemaker when the device isswitched on• Not carry the device in a breastpocket• Hold the device to the ear oppositethe pacemakerIf you suspect interference, switch offyour device and move the device away.Hearing aidsSome digital wireless devices mayinterfere with some hearing aids. Ifinterference occurs, consult yourservice provider.■ VehiclesRF signals may affect improperlyinstalled or inadequately shieldedelectronic systems in motor vehiclessuch as electronic fuel injectionsystems, electronic antiskid (antilock)braking systems, electronic speedcontrol systems, air bag systems. Formore information, check with themanufacturer or its representative ofyour vehicle or any equipment that hasbeen added.Only qualified personnel should servicethe device, or install the device in avehicle. Faulty installation or servicemay be dangerous and may invalidateany warranty that may apply to thedevice. Check regularly that allwireless device equipment in yourvehicle is mounted and operatingproperly. Do not store or carryflammable liquids, gases, or explosivematerials in the same compartment asthe device, its parts, or enhancements.For vehicles equipped with an air bag,remember that an air bag inflates withgreat force. Do not place objects,including installed or portable wirelessequipment in the area over the air bagor in the air bag deployment area. If in-vehicle wireless equipment isimproperly installed and the air baginflates, serious injury could result.■ Potentially explosiveenvironmentsSwitch off your device when in anyarea with a potentially explosiveatmosphere and obey all signs andinstructions. Potentially explosiveatmospheres include areas where youwould normally be advised to turn offyour vehicle engine. Sparks in suchareas could cause an explosion or fireresulting in bodily injury or even death.Switch off the device at refuellingpoints such as near gas pumps atservice stations. Observe restrictionson the use of radio equipment in fueldepots, storage, and distribution areas,chemical plants or where blastingoperations are in progress. Areas witha potentially explosive atmosphere areoften but not always clearly marked.They include below deck on boats,chemical transfer or storage facilities,vehicles using liquefied petroleum gas(such as propane or butane), and areas