See also:

Installing the towing eye
Vehicles with a trailer tow hitch: if possible, secure the towing device on the trailer tow hitch. – Remove the towing eye required for frontal or rear coupling from the vehicle tool kit. The ...

Activation conditions
You can activate the HOLD function if: Rthe vehicle is stationary. Rthe engine is running. Rthe driver's door is closed or if your seat belt is fastened. Rthe electric parking brake is released. ...

Using the rear center seat belt
If the left-hand rear seat backrest is folded down and back up again, the rear center seat belt may lock. The seat belt can then not be pulled out. To release the rear center seat belt: pull out ...