See also:

Activating HDC
Press the button; the LED above the button lights up. ...

X3 in the Market
As you can probably guess by now, the market has caught up with and in many ways passed the X3. That said, if it weren't for BMW's initiative, this segment might not even exist today, let alone of ...

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