See also:

Conference Call
When two calls are in progress (one active and one on hold), press and hold the button until you hear a double beep indicating that the two calls have been joined into one conference call. ...

DISC/AUX Button
Pressing the DISC/AUX button will allow you to switch from AM/FM modes to DISC/AUX mode. ...

Rear Window Defroster — If Equipped
The rear window defroster button is located on the bottom right-side of the blower control knob. Press this button to turn on the rear window defroster. An indicator in the button will illuminat ...