See also:

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

Safety switch for the rear
Press the button on the driver's door if children are being transported in the rear. This locks various functions so that they cannot be operated from the rear: safety switch. ...

2011 BMW X3 Review by Mike Hanley
The BMW X3 may have been a pioneer among compact luxury crossovers, but a number of competitors — including the Audi Q5, Mercedes-Benz GLK-Class and Volvo XC60 — have entered the fray since its de ...