Always switch off your phone...
Inadequately protected or sensitive electronic equipment may be affected by radio energy. This interference can lead to accidents.
Before boarding an aircraft and/or when
packing the phone in your luggage: the use
of mobile phones in an aircraft may be dangerous for the operation of the aircraft, disrupt the mobile phones network and may be illegal.
In hospitals, clinics, other health care
centres and anywhere else where you may be in the close vicinity of medical equipment.
In areas with a potentially explosive 
atmosphere (e.g. petrol stations and also 
areas where the air contains dust particles, 
such as metal powders).
In a vehicle transporting flammable products (even if the vehicle is parked) or a vehicle powered by liquefied petroleum gas (LPG), check first that the vehicle complies with the applicable safety rules.
In areas where you are requested to turn off radio transmitting devices, such as quarries or other areas where blasting operations are in progress.
Check with the vehicle manufacturer that
electronic equipment used in your vehicle
will not be affected by radio energy.
Pacemakers
If you have a pacemaker:
•Always keep the phone more than 15 cm from your pacemaker when the phone is switched on, in order to avoid potential interference.
•Do not carry the phone in a breastpocket.
•Use the ear opposite to the pacemaker to minimise the potential interference.
•Switch off your phone if you suspect that interference is taking place.
Hearing aids
If you are a user of a hearing aid, consult your physician and hearing aid manufacturer to learn whether your particular device is susceptible to cellular phone interference.
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