132applications providers, Samsung, and other third-partiesproviding services.Use of AGPS in Emergency CallsWhen you make an emergency call, the cellular network mayactivate AGPS technology in your mobile device to tell theemergency responders your approximate location.AGPS has limitations and might not work in your area. Therefore:• Always tell the emergency responder your location to the best of yourability; and• Remain on the mobile device for as long as the emergency responderinstructs you.NavigationMaps, directions, and other navigation data may containinaccurate or incomplete data, and circumstances can and dochange over time. In some areas, complete information may notbe available. Therefore, you should always visually confirm thatthe navigational instructions are consistent with what you seebefore following them. All users should pay attention to roadconditions, closures, traffic, and all other factors that may impactsafe driving or walking. Always obey posted road signs.Emergency CallsThis mobile device, like any wireless mobile device, operatesusing radio signals, wireless and landline networks, as well asuser-programmed functions, which cannot guarantee connectionin all conditions, areas, or circumstances. Therefore, you shouldnever rely solely on any wireless mobile device for essentialcommunications (medical emergencies, for example). Beforetraveling in remote or underdeveloped areas, plan an alternatemethod of contacting emergency services personnel. Remember,to make or receive any calls, the mobile device must be switchedon and in a service area with adequate signal strength.Emergency calls may not be possible on all wireless mobiledevice networks or when certain network services and/or mobiledevice features are in use. Check with local service providers.To make an emergency call:1. If the mobile device is not on, switch it on.2. Key in the emergency number for your present location (forexample, 911 or other official emergency number).Emergency numbers vary by location.3. Press the key.t259_Sienna.book Page 132 Wednesday, January 19, 2011 11:30 AM