Honda 2010 Civic Sedan Owner's Manual page 217

Bluetooth HandsFreeLink
Information Display
A notification that there is an
incoming call, or HFL is in use, will
appear on the navigation screen
when the audio system is on.
214
HFL MESSAGE
On the map screen, you will see a
''HFL'' message on the screen.
However, when the current street is
shown, and AUDIO INFO icon is
visible, ''HFL'' will not appear when
there is an incoming call.
I n f o r ma t i o n P r o v i d e d b y :
BLUETOOTH INDICATOR
'' '' indicator will be displayed on
the audio display when a phone is
linked.