See also:

Activating HDC
Press the button; the LED above the button lights up. ...

Releasing the parking brake manually
In the event of an electrical power loss or electrical malfunction, you can release the parking brake manually. Secure the vehicle against rolling Before releasing the parking brake manually, ...

The concept
> The voice activation system can be used to control functions by spoken commands. > Functions that can only used when the vehicle is stopped cannot be operated using the voice activation sys ...