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:
Charging the battery
In the vehicle, only charge the battery via the
terminals, in the engine compartment
with the engine off. ...
Driving tips
This chapter provides you with information useful
in dealing with specific driving and operating
modes. ...
Coolant temperature
Should the coolant, and with it the engine, become
too hot, a Check Control message is displayed.
Check the coolant level. ...