See also:

Deactivating HDC
Press the button again and the LED goes out. HDC is automatically deactivated above approx. 37 mph/60 km/h. ...

Manual Transmissions: Continuing a BMW tradition
BMW continues as the only manufacturer to offer manual transmissions in the BMW 5-Series' competitive set, underlining the sporty nature of the car, as well as BMW's commitment to driving enthusia ...

Deleting the button assignments
1. Press buttons 1 and 8 simultaneously for approx. five seconds. 2. "OK" ...