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:
Coolant
General information
Danger of burns from hot engine
Do not open the cooling system while the
engine is hot; otherwise, escaping coolant may
cause burns.◀
Suitable additives
Only use su ...
Opening/closing the glass sunroof
When the sliding visor is open, proceed as described
under Sliding visor. ...
Buttons at a glance
1 System on/off, interrupt
2 Resume speed
3 Store speed*
4 Reduce distance
5 Store, maintain/change speed
6 Increase distance ...