See also:

Signal tones
When approaching an object, an intermittent tone is sounded that indicates the position of the object. For example, if an object is detected to the left rear of the vehicle, a signal tone sounds ...

Entertainment
Operation of the radio, CD equipment and external audio devices as well as their tone settings are described in this chapter. ...

HD Radio™ reception
Many stations broadcast both analog and digital signals. License conditions HD Radio™ technology manufactured under license from iBiquity Digital Corp. U. S. and Foreign Patents. HD Radio™ an ...