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Areas with a potentially explosive atmosphere are often but not always
clearly marked. They include below deck on boats, chemical transfer/
storage facilities, vehicles using liquefied petroleum gas (such as propane
or butane), areas where the air contains chemicals or particles, such as
grain, dust or metal powders, and any other area where you would be
advised to turn off your vehicle engine.
Vehicles
Only qualified personnel should install or service the phone in a vehicle.
Faulty installation or service may be dangerous and invalidate the warranty.
RF signals may affect improperly installed or inadequately shielded
electronic systems in motor vehicles (for example, electronic fuel
injection systems, electronic anti-skid (anti-lock) braking systems,
electronic speed control systems, air bag systems).
Check with the manufacturer or its representative regarding your vehicle.
You should also consult the manufacturer of any equipment that has been
added to your vehicle.
Ensure all wireless phone equipment in your vehicle is mounted and
operating properly.
Don’t carry or store flammable liquids, gases or explosive materials in the
same compartment as the phone or its accessories.
For vehicles equipped with an air bag, remember that an air bag inflates
with great force. Don’t place any objects in the area over the air bag or in
the air bag deployment area. If in-vehicle wireless equipment is improperly
installed and the air bag inflates, serious injury could result.
Aircraft
Switch off your phone before boarding an aircraft. The use of wireless
telephones in an aircraft may be dangerous to the operation of the
aircraft, disrupt the wireless telephone network, and may be illegal.
Failure to observe these instructions may lead to suspension or denial of
telephone services to the offender, legal action, or both.