See also:

Programmable memory keys
General informationiDrive functions can be stored on the programmable memory keys and called up directly, e.g. radio stations, navigation destinations, phone numbers and entry points into the menu ...

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

Issuing a warning
If the vehicle begins leaving the lane and a lane marking has been detected, the steering wheel begins vibrating. If the turn signal is set before the lane is changed, a warning is not issued. ...