[ 106 ]Switch off your phone in health care facilities or where any postedregulations instruct you to do so. Hospitals or health care facilities couldbe using equipment that is sensitive to external RF energy.VehiclesRF signals could improperly affect installed or inadequately shieldedelectronic systems in motor vehicles. These could include electronic fuelinjection systems, electronic anti-skid (anti-lock) braking systems,electronic speed control systems, or air bag systems.Check with the manufacturer or its representative regarding your vehicle.You should also consult the manufacturer of any equipment that has beenadded to your vehicle.Posted facilitiesSwitch your phone off in any facility where posted notices so require.Potentially explosive atmospheresSwitch off your phone if you are in any area that has a potentiallyexplosive atmosphere, and obey all signs and instructions. Sparks in suchareas could cause an explosion or fire, resulting in bodily injury or evendeath.You are advised to switch off the phone while at a refueling point (servicestation). And, you are reminded of the need to observe restrictionsregarding the use of radio equipment in fuel depots (fuel storage anddistribution areas), chemical plants, or where blasting operations are inprogress.Areas with a potentially explosive atmosphere are often—but not always—clearly marked. These areas include the following: below deck on boats;chemical transfer or storage facilities; vehicles using liquefied petroleumgas (such as propane or butane); areas where the air contains chemicalsor particles, such as grain, dust, or metal powders; and any other areawhere you would normally be advised to turn off your vehicle engine.
