You can choose the desired ringing tone
for incoming calls, change the volume,
and switch warning tones on or off as
Use the Navi wheel
to regulate the volume of the
ringing tone when the car phone is ringing to notify you
of an incoming call or to change the loudspeaker volume
during a call in progress.
With the display in standby, press
, and press
Scroll to the desired option, and press
Follow the instructions on the display.