Fastening and adjusting seat belts
If the seat belt is pulled quickly or sharply, the seat belt retractor locks. The seat belt strap cannot be pulled out any further.
Always engage seat belt tongue 
of the seat belt into seat belt buckle 
of the corresponding seat.
of the seat belt into seat belt buckle of the corresponding seat. Press and hold the seat belt outlet release and slide seat belt outlet 
into the desired position.
into the desired position. Let go of the seat belt outlet release and ensure that seat belt outlet locks into position.
locks into position. A seat belt can only provide the best level of protection if it is worn correctly. Observe the notes on fastening the seat belt More.
NOTE Deployment of components of the restraint system when the front passenger seat is unoccupied and a seat belt is buckled
When the front passenger seat is unoccupied and the seat belt tongue of the seat belt is engaged in the seat belt buckle, components of the restraint system may deploy unnecessarily on the front passenger side, e.g. the seat belt tensioner.
Only buckle the seat belts as intended.