See also:

Malfunction
A Check Control message is displayed. On the Control Display, the areas in front of and behind the vehicle are shaded. PDC has failed. Have the system checked. To ensure full operability: ...

Malfunction
A Check Control message is displayed. The parking assistant failed. Have the system checked. ...

Switching between upper and lower case letters
Depending on the menu, you can switch between entering upper and lower case letters: ...