............................................................................................55 Vehicles Equipped with an Airbag ..................................................................................56 Third Party Equipment ....................................................................................................56 Ef?cient Use ...................................................................................................................57 Radio Frequency (RF) Energy .......................................................................................57 Emergency Services ......................................................................................................58 FCC Compliance ............................................................................................................59 Use Your Phone with a Hearing Aid Device ...................................................................60 Turn on the HAC Setting ................................................................................................61 Copyright Notice .............................................................................................................62 Consumer Limited Warranty ...........................................................................................62 15. Glossary .........................................................................................66 16. Troubleshooting ............................................................................678 1. Introduction Overview To guarantee your phone is always in its best condition, read this manual carefully and keep it for future reference. To ensure your safety, read Section 14: For Your Safety thor- oughly before using this phone for the ?rst time....