See also:

Backrest width
Change the width of the backrest using the side wings to adjust the lateral support. ...

Activating/deactivating Bluetooth
Bluetooth is not permitted everywhere. Comply with all safety guidelines and regulations. 1. "Telephone" 2. Open "Options". 3. "Bluetooth®" Activating/deactivatin ...

Displaying the button assignment
Use a finger to touch the buttons. Do not wear gloves or use objects. The key assignment is displayed at the top edge of the screen. ▷ To display short information: touch the button. ...