Windows fogged up on the inside
Activate the cooling with air
dehumidification function 
.
Activate automatic mode
.
If the windows continue to fog up,
activate the defrosting function.
You should only select this
setting until
the windshield is clear again.
See also:
Exterior mirror out of position
If an exterior mirror has been pushed out of position, proceed as follows:
Vehicles without electrically folding exterior mirrors: move the exterior
mirror into the correct position manually.
...
Compass
Calling up the compass
To obtain a correct display in rear-view
mirror 1, the compass must be calibrated
and the magnetic field zone must be set.
•► Press button 3 briefly.
The compass ...
Driving with summer tires
At temperatures below 45 °F (+7 °C), the
elasticity of summer tires and therefore also
traction and braking capability are reduced
considerably — equip your vehicle with
M+S tires. Using summe ...