Health and Safety Information153VehiclesRF signals may affect improperly installed or inadequatelyshielded electronic systems in motor vehicles. Check withthe manufacturer or its representative regarding yourvehicle. You should also consult the manufacturer of anyequipment that has been added to your vehicle.Posted FacilitiesSwitch your phone off in any facility where posted noticesrequire you to do so.Potentially Explosive EnvironmentsSwitch your phone off when in any area with a potentiallyexplosive atmosphere and obey all signs and instructions.Sparks in such areas could cause an explosion or fireresulting in bodily injury or even death.Users are advised to switch the phone off while at arefueling point (service station). Users are reminded of theneed to observe restrictions on the use of radio equipmentin fuel depots (fuel storage and distribution areas),chemical plants or where blasting operations are inprogress.Areas with a potentially explosive atmosphere are oftenbut not always clearly marked. They include below deckon boats, chemical transfer or storage facilities, vehiclesusing liquefied petroleum gas (such as propane orbutane), areas where the air contains chemicals orparticles, such as grain, dust or metal powders, and any