See also:

Sirius satellite radio
Sirius satellite radio is a recent innovation that allows the listener to experience digital sound quality and to have a greater variety of channels. Use of satellite radio (Sirius) requires a tuner, ...

For U.S.A
The following information has been compiled according to Code of Federal Regulations “Title 49, Part 575”. ...

Illumination brightness control
Illumination brightness control The brightness of clock display, audio, air conditioner, information display and instrument panel illumination dims when the light switch is in the “” or “” ...