The concept
The parking brake is used to prevent the vehicle from rolling when it is parked.
- Engine switched off: the parking brake acts on the rear wheels.
- Engine running: the parking brake acts on the disc brakes of the front and rear wheels via the hydraulic brake system.
The parking brake can be set manually or automatically:
- Manual: by pulling and pushing the switch.
- Automatic: by activating Automatic Hold.

See also:
Switching off automatically
System switches off: above approx. 9 mph/
15 km/h.
Switch on the system again if necessary. ...
Head-Up Display with full-colour capability
The new-generation Head-Up Display delivers even greater display quality,
functionality and flexibility. The symbols projected onto the windscreen are
displayed in sharp resolution in the driver's ...
Ignition on
Automatic transmission: press the Start/Stop
button, and do not press on the brake pedal at
the same time.
Manual-shift transmission: press the Start/Stop
button, and do not press on the clutch ...
