See also:

Resetting the tone settings
All tone settings can be reset to the default setting. 1. "CD/Multimedia", "Radio" or "Settings" 2. "Tone" 3. "Reset" ...

Capacities
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Active seat ventilation
Switching on Press the button once for each ventilation level. The highest level is active when three LEDs are lit. Switching off Press the button longer. The LEDs go out. ...