See also:

Volume of spoken instructions
Turn the volume button while giving an instruction until the desired volume is set. The setting is stored for the remote control currently in use. ...

The concept
The following can be operated using the buttons and the thumbwheel on the steering wheel: Current audio source. Redial on telephone*. Activation of the voice activation system*. ...

Changing the trip direction
Intermediate destinations are displayed in reverse order in the list. 1. "Map" 2. "Guidance" 3. Open "Options". 4. "Reverse order of trip dest." ...