See also:

Inserting and removing DVDs
Proceed as described in the "Inserting and ejecting CDs and DVDs" section. ...

Removing the ball coupling
Observe the manufacturer's installation instructions. Press the protective cap into the ball coupling recess. Make sure that the protective cap is firmly in place. ...

Switching off the engine
Important safety notes WARNING   Do not turn off the engine before the vehicle has come to a complete stop. With the engine not running, there is no power assistance for the brake and s ...