Switching between letters and numbers
Depending on the menu, you can switch between entering letters and numbers:

See also:
Automatic update
About twice a year, Sirius performs an update of the channel names and positions.
The update takes place automatically and may take several minutes. ...
Transmitting the settings
Your personal settings can be taken with you to
another vehicle equipped with the Personal Profile
function. For more information, contact your
service center.
Transmission takes place via:
...
Interior rearview mirror, automatic dimming feature
The concept
The concept
Photocells are used for control:
▷ In the mirror glass.
▷ On the back of the mirror.
Functional requirement
For proper operation:
▷ Keep the photocel ...
