See also:

Active seat ventilation
Switching on Press the button once for each ventilation level. The highest level is active when three LEDs are lit. Switching off Press the button longer. The LEDs go out. ...

Long-term vehicle storage
Your service center can advise you on what to consider when storing the vehicle for longer than three months. ...

The Inside
The X3's redesigned interior continues the sparse, minimalistic design approach that BMW favors, but it does a better job of integrating the center screen, which serves as the display for the stan ...