See also:

Malfunction
Comfort Access may not function properly if it experiences interference from external sources such as mobile phones, metal objects, overhead power lines, transmission towers, etc. In this case, ...

External devices
Overview AUX-IN port Overview> It is possible to connect audio devices, e.g. MP3 players. Sound is output over the vehicle speakers. > Recommended settings: mid-level tone and volume settin ...

Adjusting the volume
1. "CD/Multimedia", "Radio" or "Settings" 2. "Tone" 3. "Volume settings" 4. Select the desired volume setting. Select the desired volume setting ...