The concept

The parking brake is primarily intended to prevent the vehicle from rolling while parked; it brakes the rear wheels.

The parking brake can be set manually or automatically:

▷ Manual: by pulling and pushing the switch.
▷ Automatic: by activating Automatic Hold.

    See also:

    Storing
    1. Switch on the ignition. 2. Set the desired position. 3. Press the button. The LED in the button lights up. 4. Press the desired button 1 or 2. The LED goes out. If the M button is presse ...

    Tire inflation pressures X5 xDrive50i with three rows of seats
      ...

    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 ...