[ 158 ]19 Potentially explosive atmospheresSwitch off your phone when in any area with a potentially explosiveatmosphere and obey all signs and instructions. Sparks in such areas couldcause an explosion or fire resulting in bodily injury or even death.Users are advised to switch off the phone when at a refueling point(service station). Users are reminded of the need to observe restrictions onthe use of radio equipment in fuel depots (fuel storage and distributionareas), chemical plants or where blasting operations are in progress.Areas with a potentially explosive atmosphere are often but not alwaysclearly marked. They include below deck on boats; chemical transfer orstorage facilities; vehicles using liquified petroleum gas (such as propaneor butane); areas where the air contains chemicals or particles, such asgrain, dust or metal powders; and any other area where you would normallybe advised to turn off your vehicle engine.VehiclesOnly qualified personnel should service the phone, or install the phone ina vehicle. Faulty installation or service may be dangerous and may invalidateany warranty which may apply to the unit.Check regularly that all wireless phone equipment in your vehicle is mountedand operating properly.Do not store or carry flammable liquids, gases or explosive materials in thesame compartment as the phone, its parts or accessories.For vehicles equipped with an air bag, remember that an air bag inflateswith great force. Do not place objects, including both installed or portablewireless equipment in the area over the air bag or in the air bag deploymentarea. If in-vehicle wireless equipment is improperly installed and the airbag inflates, serious injury could result.AircraftUsing your phone while in the air is prohibited. Switch your phone offbefore boarding an aircraft. The use of wireless telephones in an aircraftmay be dangerous to the operation of the aircraft, disrupt the wirelesstelephone network and may be illegal.
