See also:

Adjusting volume
Turn the volume knob during the spoken instruction to select the desired volume. > The volume remains the same, even if the volume of other audio sources is changed. > The volume is stored for ...

After the ignition is switched off
The roof can still be operated for approx. 1 minute, as long as no door has been opened. ...

Note
Children in the vehicle Do not leave children unattended in the vehicle; otherwise, they could endanger themselves and other persons, e.g., by opening the doors. ...