See also:

LATCH child restraint fixing system
LATCH: Lower Anchors and Tether for Children. ...

Releasing
With the ignition switched on: Manual transmission: Press the switch while the brake or clutch is pressed. Automatic transmission: Press the switch while the brake is pressed or transmission ...

Opening the main menu
Press the button. The main menu is displayed. All iDrive functions can be called up via the main menu. ...