All gasoline sold in the United States is required to contain effective detergent additives. Use of additional detergents or other additives is not needed under normal conditions and would result in additional cost. Therefore you should not have to add anything to the fuel.
See also:
Door mirrors
Manual adjustment from the outside fig. 65
Open the window and move mirror A directly with your hands.
Manual adjustment from the inside fig. 66
Turn knob A from inside the vehicle.
If the m ...
“Dualdrive“ electric power steering engagement
When engaging the "Dualdrive electric power steering the instrument panel will
show the message CITY. This message will go off the display when disengaging the
electric power steering. ...
ESP system
The ESP system is an electronic system controlling the car stability in the event
of tyre grip loss.
The ESP system is therefore particularly useful when grip conditions of the road
surfaces chan ...