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vehicles. Check with the manufacturer or their representative to determine
if these systems are adequately shielded from external RF signals. Also
check with the manufacturer regarding any equipment that has been added
to your vehicle.
Consult the manufacturer of any personal medical devices, such as
pacemakers and hearing aids, to determine if they are adequately shielded
from external RF signals.
Note: Always turn off the phone in health care facilities and request permission before
using the phone near medical equipment.
Turning Off Your Phone Before Flying
Turn off your phone before boarding any aircraft. To prevent possible
interference with aircraft systems, the U.S. Federal Aviation Administration
(FAA) regulations require you to have permission from a crew member to
use your phone while the plane is on the ground. To prevent any risk of
interference, FCC regulations prohibit using your phone while the plane is
in the air.
Turning Off Your Phone in Dangerous Areas
To avoid interfering with blasting operations, turn off your phone when in a
blasting area or in other areas with signs indicating that two-way radios
should be turned off. Construction crews often use remote-control RF
devices to set off explosives.
Turn off your phone when you are in an area with a potentially explosive
atmosphere. Although it is rare, your phone or its accessories could generate
sparks. Sparks could cause an explosion or a fire resulting in bodily injury or
even death. These areas are often, but not always, clearly marked. These
areas include:
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