Health and Safety Information306Hearing AidsSome digital wireless phones may interfere with somehearing aids. In the event of such interference, you maywish to consult your hearing aid manufacturer to discussalternatives.Other Medical DevicesIf you use any other personal medical devices, consultthe manufacturer of your device to determine if it isadequately shielded from external RF energy. Yourphysician may be able to assist you in obtaining thisinformation. Switch off your PDA phone in health carefacilities when any regulations posted in these areasinstruct you to do so. Hospitals or health care facilitiesmay be using equipment that could be sensitive toexternal RF energy.VehiclesRF signals may affect improperly installed orinadequately shielded electronic systems in motorvehicles. Check with the manufacturer or itsrepresentative regarding your vehicle.You should also consult the manufacturer of anyequipment that has been added to your vehicle.Posted FacilitiesSwitch off your PDA phone in any facility where postednotices require you to do so.