See also:

Instrument lighting
You can adjust the brightness of the instrument lighting only when the parking lamps or the low beams are switched on. 1.  Push button 1in the turn signal/high beam lever up or down repeated ...

Reading lamps
Press the button. Reading lamps are located at the front and rear next to the interior lamps. With the interior lamps shut off, the reading lamps cannot be switched on. ...

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