See also:

Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it. ...

Adaptive brake assistant
In combination with the Active Cruise Control, this system ensures that the brakes respond even more rapidly when braking in critical situations. Refer also to Collision warning ...

Having possible commands read aloud
You can have the available commands read out loud for you: ›Voice commands‹ For example, if the "Settings" menu is displayed, the commands for the settings are read out loud. ...