such interference, you may want to con- sult your service provider.
Other medical devices
Operation of any radio transmitting equip- ment, including cellular phones, may in- terfere with the functionality of inadequately protected medical devices. Consult a physician or the manufacturer of the medical device to determine if they are adequately shielded from external RF en- ergy or if you have any questions.
Switch off your phone in health care facili- ties when any regulations posted in these ar- eas instruct you to do so. Hospitals or health care facilities may be using equipment that could be sensitive to external RF energy.
Vehicles
RF signals may affect improperly installed or inadequately shielded electronic sys- tems in motor vehicles (e.g. electronic fuel injection systems, electronic
Check with the manufacturer or its represent- ative regarding your vehicle. You should also consult the manufacturer of any equipment that has been added to your vehicle.
Posted facilities
Switch your phone off in any facility where posted notices so require.
Potentially explosive atmospheres
Switch off your phone when in any area with a potentially explosive atmosphere
and obey all signs and instructions. Sparks in such areas could cause an explosion or fire resulting in bodily injury or even death.
Users are advised to switch off the phone when at a refuelling point (service station). Users are reminded of the need to observe restrictions on the use of radio equipment in fuel depots (fuel storage and distribu- tion areas), chemical plants or where blasting operations are in progress.
Areas with a potentially explosive atmos- phere are often but not always clearly marked. They include below deck on boats; chemical transfer or storage facilities; ve- hicles using liquified petroleum gas (such as propane or butane); areas where the air contains chemicals or particles, such as grain, dust or metal powders; and any oth- er area where you would normally be ad- vised to turn off your vehicle engine.
Vehicles
Only qualified personnel should service the phone, or install the phone in a vehicle. Faulty installation or service may be dan- gerous and may invalidate any warranty which may apply to the unit.
Check regularly that all wireless phone equipment in your vehicle is mounted and operating properly.
Do not store or carry flammable liquids, gases or explosive materials in the same compartment as the phone, its parts or ac- cessories.
For vehicles equipped with an air bag, re- member that an air bag inflates with great force. Do not place objects, including both installed or portable wireless equipment in