See also:

PTY (Program type) group tuning (only FM reception)
Press the “PTY/CAT” button to change to the PTY selection mode. At this time, the PTY group that you are currently listening to will be displayed for 10 seconds. In PTY selection mode, “PTY SEL” ...

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

Vehicle Dynamics Control mode switch (STI)
Indicator light Vehicle Dynamics Control mode switch When the switch is pressed briefly or for more than approximately 3 seconds during engine operation, the mode of the Vehicle Dynamics Control Sys ...