Engine

See also:

Switching the rear window defroster on/off
Activating/deactivating WARNING Any accumulation of snow and ice should be removed from the rear window before driving. Visibility could otherwise be impaired, endangering you and others. ` ...

General notes
Mounting the emergency spare wheel is described under "Mounting a wheel"  . You should regularly check the pressure of the emergency spare wheel, particularly prior to long trips, ...

Direction of rotation
Tires with a specified direction of rotation have additional benefits, e.g. if there is a risk of hydroplaning. You will only gain these benefits if the correct direction of rotation is observed. ...