70Health and safety informationVehiclesRF signals may affect improperly installed orinadequately shielded electronic systems in motorvehicles. Check with the manufacturer or itsrepresentative regarding your vehicle. You should alsoconsult the manufacturer of any equipment that hasbeen added to your vehicle.Posted FacilitiesSwitch your phone off in any facility where postednotices require you to do so.Potentially Explosive EnvironmentsSwitch your phone off when in any area with apotentially explosive atmosphere and obey all signsand instructions. Sparks in such areas could cause anexplosion or fire resulting in bodily injury or evendeath.Users are advised to switch the phone off while at arefueling point (service station). Users are reminded ofthe need to observe restrictions on the use of radioequipment in fuel depots (fuel storage and distributionareas), chemical plants or where blasting operationsare in progress.Areas with a potentially explosive atmosphere areoften but not always clearly marked. They includebelow deck on boats, chemical transfer or storagefacilities, vehicles using liquefied petroleum gas (suchas propane or butane), areas where the air containschemicals or particles, such as grain, dust or metalpowders, and any other area where you wouldnormally be advised to turn off your vehicle engine.Emergency CallsThis phone, like any wireless phone, operates usingradio signals, wireless and landline networks as well asuser programmed functions, which cannot guaranteeconnection in all conditions. Therefore, you shouldnever rely solely on any wireless phone for essentialcommunications (medical emergencies, for example).Remember, to make or receive any calls the phonemust be switched on and in a service area withadequate signal strength. Emergency calls may not bepossible on all wireless phone networks or when