The concept

This system projects important information into the driver's field of vision, e.g., the speed.
In this way, the driver can get information without averting his or her eyes from the road.
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. ...
Releasing the parking brake manually
In the event of an electrical power loss or electrical
malfunction, you can release the parking
brake manually.
Secure the vehicle against rolling
Before releasing the parking brake manually, ...
Malfunction
Comfort Access may not function properly if it
experiences interference from external sources
such as mobile phones, metal objects, overhead
power lines, transmission towers, etc.
In this case, ...
