See also:

Opening/closing the glass sunroof
When the sliding visor is open, proceed as described under Sliding visor. ...

Applying
The lever automatically engages after being pulled up. ...

Displays in the instrument cluster
Desired speed ▷ The marking lights up in green: the system is active. ▷ The marking lights up in orange: the system has been interrupted. ▷ The marking does not light up: ...