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 ...

Fuse box in the trunk
  Open the trunk lid.   To open: turn rotary catch 1 clockwise.   Open cover 2 downwards in the direction of the arrow. ...

Socket in the front-passenger footwell
► Lift up the cover of socket 1. ...