See also:

Setting the language
Press the adjustment button for 12‑13 seconds. Briefly press the adjustment button again to switch between English "E" and German "O". The setting is automatically saved ...

Air volume, manual
You can vary the air volume by pressing on the corresponding side. You can reactivate the automatic mode for the air flow rate with the AUTO button. ...

Editing or deleting an address
1. "Navigation" 2. "Address book" 3. Highlight the entry. 4. Open "Options". 5. "Edit in Contacts" or "Delete entry" ...