alternatives.
Medical Equipment
Switch off your wireless device when requested to
do so in hospitals, clinics or health care facilities.
These requests are designed to prevent possible
interference with sensitive medical equipment.
Aircraft
Switch off your wireless device whenever you are
instructed to do so by airport or airline staff. Consult
the airline staff about the use of wireless devices
on board the aircraft and enable the airplane mode
of your phone when boarding an aircraft.
Interference in Vehicles
Please note that because of possible interference
to electronic equipment, some vehicle manufactur-
ers forbid the use of mobile phones in their vehicles
unless a hands-free kit with an external antenna is
included in the installation.
Explosive Environments
Gas Stations and Explosive Atmospheres
In locations with potentially explosive atmospheres,
obey all posted signs to turn off wireless devices
such as your phone or other radio equipment.