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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.