See also:

Screw thread
Push out the cover by pressing on the top edge. ...

TeleService Battery Guard
TeleService Battery Guard continually checks the battery charge level of the vehicle. If the battery charge level falls below a certain value, a notification is automatically sent to your service ...

Opening the favorites
If an activated favorite is played back, the following message appears for approx. 20 seconds "Favorite alert!". "Favorites" Select the symbol while the message is shown. ...