See also:

Wear indicators
1) New tread 2) Worn tread 3) Tread wear indicator Each tire incorporates a tread wear indicator, which becomes visible when the depth of the tread grooves decreases to 0.063 in (1.6 mm). ...

Stereo indicator
The stereo indicator “ST” will illuminate when an FM stereo broadcast is received. ...

Display selection
If you press the “TEXT” button during playback, the indication will change to the next one in the following sequence. For CD-DA: ...