See also:

Activating HDC
Activating HDC Press the button; the LED above the button lights up. The LED flashes when the brakes are applied automatically. ...

Starting navigation system
1. Press the button on the controller. 2. "Navigation" The navigation system can also be accessed directly with the button on the controller. ...

Following part replacement
The same breaking in procedures should be observed if any of the components mentioned above have to be renewed in the course of the vehicle's operating life. ...