Close the windows and glass sunroof
Driving with the glass sunroof and windows open results in increased air resistance and raises fuel consumption.
See also:
Adjusting the height
▷ To raise: pull.
▷ To lower: press the button, arrow 1, and
push the head restraint down. ...
Deactivating HDC
Press the button again and the
LED goes
out. HDC is automatically deactivated
above approx. 37 mph/60 km/h. ...
Check the tire inflationpressure regularly
Check and, if necessary, correct the tire inflation
pressure at least twice a month and before starting
on a long trip.
Low tire inflation pressure increases rolling resistance
and thus raises f ...