See also:

Electronic Volume Control
The electronic volume control turns continuously (360 degrees) in either direction without stopping. Turning the ON/VOLUME control knob to the right increases the volume and to the left decrease ...

Security
It is advised to erase all channels before you sell or turn in your vehicle. To do this, press and hold the two outside buttons for 20 seconds until the red indicator flashes. Note that all cha ...

Answer Or Reject An Incoming Call — Call Currently In Progress
If a call is currently in progress and you have another incoming call, you will hear the same network tones for call waiting that you normally hear when using your mobile phone. Press the butto ...