Safety 150Safety• Call roadside assistance or a special non-emergency wireless number whennecessary.Following Safety GuidelinesTo operate your phone safely and efficiently, always follow any special regulations in agiven area. Turn your phone off in areas where use is forbidden or when it may causeinterference or danger.Using Your Phone Near Other Electronic DevicesMost modern electronic equipment is shielded from radio frequency (RF) signals.However, RF signals from wireless phones may affect inadequately shielded electronicequipment.RF signals may affect improperly installed or inadequately shielded electronic operatingsystems and/or entertainment systems in motor vehicles. Check with the manufacturer ortheir representative to determine if these systems are adequately shielded from externalRF signals. Also check with the manufacturer regarding any equipment that has beenadded to your vehicle.Consult the manufacturer of any personal medical devices, such as pacemakers andhearing aids, to determine if they are adequately shielded from external RF signals.Note: Always turn off the phone in health care facilities and request permissionbefore using the phone near medical equipment.Turning Off Your Phone Before FlyingTurn off your phone before boarding any aircraft. To prevent possible interference withaircraft systems, U.S. Federal Aviation Administration (FAA) regulations require you tohave permission from a crew member to use your phone while the plane is on the ground.To prevent any risk of interference, FCC regulations prohibit using your phone while theplane is in the air.Turning Off Your Phone in Dangerous AreasTo avoid interfering with blasting operations, turn off your phone when in a blasting area orin other areas with signs indicating that two-way radios should be turned off. Constructioncrews often use remote-control RF devices to set off explosives.