See also:

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Initialization after a power failure
After a power failure, it is only possible to raise the roof, if necessary. Have the system initialized by your service center. ...

Roadside Assistance
At a glanceBMW Roadside Assistancecan be contacted if assistance is needed in the event of a breakdown. Contact with BMW Roadside Assistancecan also be established using a Check Control message. ...