See also:

Resetting the tone settings
1. "CD/Multimedia", "Radio" or "Settings". 2. "Tone". 3. "Reset" ...

Selecting a stored trip
1. "Navigation" 2. "Stored trips" 3. Select a stored trip. 4. "Start guidance" ...

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. ...