Health and Safety Information155Remember, to make or receive any calls the phone must beswitched on and in a service area with adequate signalstrength. Emergency calls may not be possible on allwireless phone networks or when certain network servicesand/or phone features are in use. Check with local serviceproviders.To make an emergency call:1. If the phone is not on, switch it on.2. Key in the emergency number for your present location(for example, 911 or other official emergency number).Emergency numbers vary by location.3. Press the key.If certain features are in use (call barring, for example),you may first need to deactivate those features before youcan make an emergency call. Consult this document andyour local cellular service provider.When making an emergency call, remember to give all thenecessary information as accurately as possible.Remember that your phone may be the only means ofcommunication at the scene of an accident; do not cut offthe call until given permission to do so.Other Important Safety Information• Only qualified personnel should service the phone orinstall the phone in a vehicle. Faulty installation orservice may be dangerous and may invalidate anywarranty applicable to the device.