Malfunction
In the event of a failure or malfunction of the parking brake, secure the vehicle against rolling using a wheel chock, for example, when leaving it.
See also:
Switching on/off manually
Switching on/off manually
Press the button. ...
Vehicle information
Owner's Manual
Computer
Vehicle
...
Unbuckling the belt
1. Hold the belt firmly.
2. Press the red button in the belt buckle.
3. Guide the belt back into its reel. ...