See also:

Tire Terminology And Definitions
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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 ...

Operating Instructions - Radio Mode
NOTE: The ignition switch must be in the ON or ACC position to operate the radio. Power Switch/Volume Control (Rotary) Push the ON/VOLUME control knob to turn on the radio. Press the ON/VOLUME c ...