See also:

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

New 8-speed Automatic Transmission with Steptronic.
On both new gasoline models of the BMW X5, sending the newfound power to the standard xDrive intelligent all-wheel drive system is BMW's new 8-speed automatic transmission with Steptronic control. ...

Switching on the rear window wiper
Press the lever forward: intermittent wipe. When reverse gear is engaged, the system switches to continuous operation. To clean the rear window, press the lever further forward. ...