4A. Important Safety Information 189 Important Safety InformationMaintaining Safe Use of and Accessto Your PhoneDo Not Rely on Your Phone for Emergency CallsMobile phones operate using radio signals, which cannotguarantee connection in all conditions. Therefore you shouldnever rely solely upon any mobile phone for essentialcommunication (e.g., medical emergencies). Emergency callsmay not be possible on all cellular networks or when certainnetwork services or mobile phone features are in use. Checkwith your local service provider for details.Using Your Phone While DrivingTalking on your phone while driving (or operating the phonewithout a hands-free device) is prohibited in some jurisdictions.Laws vary as to specific restrictions. Remember that safetyalways comes first.Following Safety GuidelinesTo operate your phone safely and efficiently, always follow anyspecial regulations in a given area. Turn your phone off in areaswhere use is forbidden or when it may cause interference ordanger.Using Your Phone Near Other Electronic DevicesMost modern electronic equipment is shielded from radiofrequency (RF) signals. However, RF signals from wirelessphones may affect inadequately shielded electronicequipment.RF signals may affect improperly installed or inadequatelyshielded electronic operating systems or entertainmentsystems in motor vehicles. Check with the manufacturer or theirrepresentative to determine if these systems are adequatelyshielded from external RF signals. Also check with themanufacturer regarding any equipment that has been added toyour vehicle.Consult the manufacturer of any personal medical devices,such as pacemakers and hearing aids, to determine if they areadequately shielded from external RF signals.Turning Off Your Phone Before FlyingTurn off your phone before boarding any aircraft. To preventpossible interference with aircraft systems, the U.S. FederalAviation Administration (FAA) regulations require you to havepermission from a crew member to use your phone whilethe plane is on the ground. To prevent any risk of interference,FCC regulations prohibit using your phone while the plane is inthe air.Tip: Purchase an optional hands-free accessory at your local SprintStore, or call Sprint at 1-866-866-7509. You can also dial # 2 2 2on your phone.Note: Always turn off the phone in healthcare facilities, and requestpermission before using the phone near medical equipment.
