See also:

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 button ...

TIME Button (Auxiliary Mode)
Press this button to change the display to time of day. The time of day will display for five seconds (when the ignition is OFF). ...

AM or FM Button (CD MODE)
Switches the radio into the AM or FM radio mode. ...