See also:

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. ...

Maintaining/storing the speed
Press the button*. When the system is switched on, the current speed is maintained and stored as the desired speed. It is displayed in the speedometer and briefly displayed in the instrument ...

Opening/closing the glass sunroof andsliding visor together
Briefly press the switch twice in succession in the desired direction past the resistance point. The glass sunroof and sliding visor move together. Pressing the switch again stops the motion ...