X Remove the spring cotter.
■ Remove the bolt from the ball coupling recess.
■ Remove the ball coupling from the ball coupling recess.
■ Clean the ball coupling if it is dirty.
Information on cleaning and care of the trailer tow hitch can be found at .
Tires
...
Switching the seat ventilation on/off
Activating/deactivating
Seat ventilation is only available for the front
seats.
The three blue indicator lamps in the buttons
indicate the ventilation level you have
selected.
► Make ...
Setting the center air vents
Center air vents
1 Center air vent, left
2 Center air vent, right
3 Center vent thumbwheel, right
4 Center vent thumbwheel, left
► To open/close: turn thumbwheels 3
and 4 to the right or ...