See also:

Automatic deactivation during forward travel
The system switches off when a certain driving distance or speed is exceeded. Switch the system back on if necessary. ...

Buckling the belt
Make sure you hear the latch plate engage in the belt buckle. Tensioning the safety belt automatically After the belt is buckled and the door is closed, the belt is tightened once automatica ...

Switching on automatically
With the engine running or the ignition switched on, shift the selector lever into position R. ...