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 n50 Copyright © 2005 Nokia. All rights reserved.Only qualified personnel should service the device, or install the device in a vehicle.Faulty installation or service may be dangerous and may invalidate any warranty thatmay apply to the device. Check regularly that all wireless device equipment in yourvehicle is mounted and operating properly. Do not store or carry flammable liquids,gases, or explosive materials in the same compartment as the device, its parts, orenhancements. For vehicles equipped with an air bag, remember that air bags inflatewith great force. Do not place objects, including installed or portable wirelessequipment in the area over the air bag or in the air bag deployment area. If in-vehiclewireless equipment is improperly installed and the air bag inflates, serious injurycould result.Using your device while flying in aircraft is prohibited. Switch off your device beforeboarding an aircraft. The use of wireless teledevices in an aircraft may be dangerousto the operation of the aircraft, disrupt the wireless telephone network, and may beillegal.■ Potentially explosive environmentsSwitch off your device when in any area with a potentially explosive atmosphere andobey all signs and instructions. Potentially explosive atmospheres include areas whereyou would normally be advised to turn off your vehicle engine. Sparks in such areascould cause an explosion or fire resulting in bodily injury or even death. Switch off thedevice at refuelling points such as near gas pumps at service stations. Observerestrictions on the use of radio equipment in fuel depots, storage, and distributionareas, chemical plants or where blasting operations are in progress. Areas with apotentially explosive atmosphere are often but not always clearly marked. Theyinclude below deck on boats, chemical transfer or storage facilities, vehicles usingliquefied petroleum gas (such as propane or butane), and areas where the air containschemicals or particles such as grain, dust, or metal powders.